Creatures you control have vigilance and "{T}: Add one mana of any color. Spend this mana only to cast a creature spell." Whenever you cast a creature spell, if three or more mana from creatures was spent to cast it, draw a card.

Each creature you control with a mana ability gets +2/+2. Whenever a creature you control with a mana ability attacks, untap it. Whenever you cast a spell, if at least seven mana was spent to cast it, untap target creature. It gets +7/+7 and gains trample until end of turn.

Blast Zone enters the battlefield with a charge counter on it. {T}: Add {C}. {X}{X}, {T}: Put X charge counters on Blast Zone. {3}, {T}, Sacrifice Blast Zone: Destroy each nonland permanent with mana value equal to the number of charge counters on Blast Zone.

{T}: Add one mana of any color in your commander's color identity.

({T}: Add {G}.)

Frontier Bivouac enters the battlefield tapped. {T}: Add {G}, {U}, or {R}.

({T}: Add {U}.)

{T}: Add {C}. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{T}: Add {C}. {T}: Add {R} or {G}. Karplusan Forest deals 1 damage to you.

({T}: Add {G}, {U}, or {R}.) Ketria Triome enters the battlefield tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

({T}: Add {R}.)

Path of Ancestry enters the battlefield tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

You have no maximum hand size. {T}: Add {C}.

{T}: Add {C}. {T}: Add {U} or {R}. Shivan Reef deals 1 damage to you.

{T}: Add {C}{C}. Activate only if you control five or more lands.

{T}: Add {C}. {X}{X}, {T}, Sacrifice Treasure Vault: Create X Treasure tokens.

Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Trample Heavy Power Hammer — Whenever Aberrant deals combat damage to a player, destroy target artifact or enchantment that player controls.

This spell can't be countered. You may have Altered Ego enter the battlefield as a copy of any creature on the battlefield, except it enters with X additional +1/+1 counters on it.

Reveal the top X cards of your library. Put all land cards from among them onto the battlefield tapped and the rest on the bottom of your library in a random order. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, untap those lands.

Apocalypse Hydra enters the battlefield with X +1/+1 counters on it. If X is 5 or more, it enters the battlefield with an additional X +1/+1 counters on it. {1}{R}, Remove a +1/+1 counter from Apocalypse Hydra: It deals 1 damage to any target.

{T}: Add one mana of any color in your commander's color identity.

Astral Cornucopia enters the battlefield with X charge counters on it. {T}: Choose a color. Add one mana of that color for each charge counter on Astral Cornucopia.

Banefire deals X damage to any target. If X is 5 or more, this spell can't be countered and the damage can't be prevented.

Genomic Enhancement — {T}: Add one mana of any color. If this mana is spent to cast a creature spell, that creature enters the battlefield with an additional +1/+1 counter on it.

Whenever equipped creature attacks, put four +1/+1 counters on it. Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Bonfire of the Damned deals X damage to target player or planeswalker and each creature that player or that planeswalker's controller controls. Miracle {X}{R} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on that creature instead.

Whenever a creature you control with a +1/+1 counter on it deals combat damage to a player, you may draw a card.

Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Brood Telepathy — When Broodlord enters the battlefield, distribute X +1/+1 counters among any number of other target creatures you control.

{X}, {T}: Search your library for a creature card with mana value X or less, reveal it, put it into your hand, then shuffle.

Proclamator Hailer — Each creature you control gets +1/+1 for each +1/+1 counter on it.

Choose one or more — • Clan Defiance deals X damage to target creature with flying. • Clan Defiance deals X damage to target creature without flying. • Clan Defiance deals X damage to target player or planeswalker.

Target player draws X cards plus an additional card for each time they've cast a commander from the command zone this game.

Crackle with Power deals five times X damage to each of up to X targets.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Exile X target creatures. For each creature exiled this way, its controller creates a 2/2 green Boar creature token.

Whenever a creature an opponent controls attacks one of your opponents, double its power until end of turn. {X}{X}{R}: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.) When Death Kiss becomes monstrous, goad up to X target creatures your opponents control.

When Deepglow Skate enters the battlefield, double the number of each kind of counter on any number of target permanents.

Return all nonland permanents with mana value X or less to their owners' hands.

Return X target nonland permanents to their owners' hands.

Choose one. If you control a commander as you cast this spell, you may choose both. • Target player draws X cards. • Target player mills twice X cards.

Search your library and graveyard for up to four creature cards with different names that each have mana value X or less and reveal them. An opponent chooses two of those cards. Shuffle the chosen cards into your library and put the rest onto the battlefield. Exile Ecological Appreciation.

Whenever you cast a spell with {X} in its mana cost, put two charge counters on Elementalist's Palette. {T}: Add one mana of any color. {T}: Add {C} for each charge counter on Elementalist's Palette. Spend this mana only on costs that contain {X}.

Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Bio-plasmic Barrage — When Exocrine enters the battlefield, it deals X damage to each player and each other creature.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

When Fractal Harness enters the battlefield, create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it and attach Fractal Harness to it. Whenever equipped creature attacks, double the number of +1/+1 counters on it. Equip {2}

When Garruk's Uprising enters the battlefield, if you control a creature with power 4 or greater, draw a card. Creatures you control have trample. (They can deal excess combat damage to the player or planeswalker they're attacking.) Whenever a creature with power 4 or greater enters the battlefield under your control, draw a card.

If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on it instead.

As an additional cost to cast this spell, sacrifice a land. Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Creatures you control with +1/+1 counters on them can't be blocked.

Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Endless Swarm — Whenever a land enters the battlefield under your control, you may pay {2}{G}. If you do, return Hormagaunt Horde from your graveyard to your hand.

When you cast this spell, you gain half X life and draw half X cards. Round down each time. Flying, trample Hydroid Krasis enters the battlefield with X +1/+1 counters on it.

Tap X target creatures. Ferocious — If you control a creature with power 4 or greater, those creatures don't untap during their controllers' next untap steps.

Destroy X target artifacts and/or creatures. For each permanent destroyed this way, its controller reveals cards from the top of their library until an artifact or creature card is revealed and exiles that card. Those players put the exiled cards onto the battlefield, then shuffle.

Draw a card for each creature you control with a +1/+1 counter on it. Those creatures gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Invigorating Hot Spring enters the battlefield with four +1/+1 counters on it. Modified creatures you control have haste. (Equipment, Auras you control, and counters are modifications.) Remove a +1/+1 counter from Invigorating Hot Spring: Put a +1/+1 counter on target creature you control. Activate only as a sorcery and only once each turn.

Trample Kalonian Hydra enters the battlefield with four +1/+1 counters on it. Whenever Kalonian Hydra attacks, double the number of +1/+1 counters on each creature you control.

{T}: Untap another target permanent.

Choose one. If you control a commander as you cast this spell, you may choose both. • Breathe Flame — Klauth's Will deals X damage to each creature without flying. • Smash Relics — Destroy up to X target artifacts and/or enchantments.

Reach Modified creatures you control have trample. (Equipment, Auras you control, and counters are modifications.) Whenever a modified creature you control deals combat damage to a player, search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{1}, {T}: Untap target creature that has an activated ability with {T} in its cost.

Magmaquake deals X damage to each creature without flying and each planeswalker.

{X}, {T}: Untap X target lands.

If you tap a permanent for mana, it produces twice as much of that mana instead.

Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Terror from the Deep — When Mawloc enters the battlefield, it fights up to one target creature an opponent controls. If that creature would die this turn, exile it instead.

Draw X cards.

Strategic Coordinator — Basic lands you control have "{T}: Add {C}{C}. Spend this mana only on costs that contain {X}."

{X}{U}{R}, {T}: Nin, the Pain Artist deals X damage to target creature. That creature's controller draws X cards.

X target creatures can't be blocked this turn. Until end of turn, those creatures gain "Whenever this creature deals combat damage to a player, draw a card."

{T}: Add one mana of any color. {1}, {T}: Untap target legendary creature you control.

Destroy up to X target artifacts and/or enchantments. Create twice X 1/1 black and green Pest creature tokens with "When this creature dies, you gain 1 life."

Primordial Hydra enters the battlefield with X +1/+1 counters on it. At the beginning of your upkeep, double the number of +1/+1 counters on Primordial Hydra. Primordial Hydra has trample as long as it has ten or more +1/+1 counters on it.

Draw X cards, then discard a card.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Flash Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) When Ravener enters the battlefield, target creature attacks target opponent this turn if able.

Return X cards at random from your graveyard to your hand. Exile Reap the Past.

Return target nonland permanent with mana value X to its owner's hand. Draw a card.

{T}: Add {C}{C}{C}{C}. Spend this mana only on costs that contain {X}.

Savage Twister deals X damage to each creature.

Double strike Savageborn Hydra enters the battlefield with X +1/+1 counters on it. {1}{R/G}: Put a +1/+1 counter on Savageborn Hydra. Activate only as a sorcery.

Trample Bio-Plasmic Scream — Whenever you cast a creature spell with mana value 5 or greater, Screamer-Killer deals 5 damage to any target.

The first creature spell you cast each turn costs {2} less to cast. Whenever an opponent casts their first noncreature spell each turn, Shadow in the Warp deals 2 damage to that player.

Flying, haste Shivan Devastator enters the battlefield with X +1/+1 counters on it.

Put a +1/+1 counter on each of up to X target creatures you control. Auras, Equipment, and modified creatures you control gain hexproof until end of turn. (Equipment, Auras you control, and counters are modifications.)

You may cast Silver Scrutiny as though it had flash if X is 3 or less. Draw X cards.

{1}{G}{U}: Put a +1/+1 counter on target creature you control. Whenever one or more +1/+1 counters are put on a creature you control, put that many growth counters on Simic Ascendancy. At the beginning of your upkeep, if Simic Ascendancy has twenty or more growth counters on it, you win the game.

{T}: Add {C}{C}.

Counter target spell unless its controller pays {X}, where X is the greatest power among creatures you control.

Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Defender Spore Chimney — When Sporocyst enters the battlefield, search your library for up to X basic land cards, put them onto the battlefield tapped, then shuffle.

Starstorm deals X damage to each creature. Cycling {3} ({3}, Discard this card: Draw a card.)

Steelbane Hydra enters the battlefield with X +1/+1 counters on it. {2}{G}, Remove a +1/+1 counter from Steelbane Hydra: Destroy target artifact or enchantment.

Target player draws X cards.

Creatures you control have haste. Whenever a creature with power 4 or greater enters the battlefield under your control, you may draw a card.

Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Death Frenzy — When Termagant Swarm dies, create a number of 1/1 green Tyranid creature tokens equal to Termagant Swarm's power.

Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Trample Spawn Termagants — Whenever Tervigon deals combat damage to a player, create that many 1/1 green Tyranid creature tokens.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — You may put a creature card from your hand onto the battlefield. If its mana cost contains {X}, it enters the battlefield with a number of +1/+1 counters on it equal to the number of lands you control. II, III — Double the number of each kind of counter on target creature you control.

Whenever a creature you control leaves the battlefield, if it had counters on it, put those counters on The Ozolith. At the beginning of combat on your turn, if The Ozolith has counters on it, you may move all counters from The Ozolith onto target creature.

Rapid Regeneration — The Swarmlord enters the battlefield with two +1/+1 counters on it for each time you've cast your commander from the command zone this game. Xenos Cunning — Whenever a creature you control with a counter on it dies, draw a card.

Subterranean Assault — Whenever Trygon Prime attacks, put a +1/+1 counter on it and a +1/+1 counter on up to one other target attacking creature. That creature can't be blocked this turn.

If you would copy a spell one or more times, instead copy it that many times plus an additional time. You may choose new targets for the additional copy. {7}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Shieldwall — Sacrifice Tyrant Guard: Creatures you control with counters on them gain hexproof and indestructible until end of turn.

Whenever you cast a permanent spell with a mana cost that contains {X}, double the value of X. Whenever you cast an instant or sorcery spell or activate an ability, if that spell's mana cost or that ability's activation cost contains {X}, copy that spell or ability. You may choose new targets for the copy.

Search your library for up to X creature cards with different names that each have mana value X, reveal them, put them into your hand, then shuffle.

Trample Voracious Hydra enters the battlefield with X +1/+1 counters on it. When Voracious Hydra enters the battlefield, choose one — • Double the number of +1/+1 counters on Voracious Hydra. • Voracious Hydra fights target creature you don't control.

Trample, haste If you would put one or more counters on a permanent or player, put twice that many of each of those kinds of counters on that permanent or player instead. If an opponent would put one or more counters on a permanent or player, they put half that many of each of those kinds of counters on that permanent or player instead, rounded down.

Walking Ballista enters the battlefield with X +1/+1 counters on it. {4}: Put a +1/+1 counter on Walking Ballista. Remove a +1/+1 counter from Walking Ballista: It deals 1 damage to any target.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

Return X target cards from your graveyard to your hand. Exile Wildest Dreams.

Flying, haste The Will of the Hive Mind — Other creatures you control with counters on them have flying and haste.

Whenever you tap a land for mana, add one mana of any type that land produced. (The types of mana are white, blue, black, red, green, and colorless.) Whenever you cast a creature spell, draw a card.

Heavy Rock Cutter — Whenever Acolyte Hybrid attacks, destroy up to one target artifact. If an artifact is destroyed this way, its controller draws a card.

Protection from white and from black Whenever you cast a creature spell, put a +1/+1 counter on Animar, Soul of Elements. Creature spells you cast cost {1} less to cast for each +1/+1 counter on Animar.

Trample, haste Skilled Outrider — Whenever Atalan Jackal deals combat damage to a player, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Equipped creature has base power and toughness 10/10. Equip {10}. This ability costs {X} less to activate, where X is the power of the creature it targets.

Creatures you control have base power and toughness X/X until end of turn.

Flying {T}: Add one mana of any color.

Blaze deals X damage to any target.

{T}: For each color among permanents you control, add one mana of that color.

Target player draws X cards. Shuffle Blue Sun's Zenith into its owner's library.

Draw four cards, then choose X cards in your hand and discard the rest.

Each of X target creatures you control connive. You may have any number of them phase out. (To have a creature connive, draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on that creature. Treat phased-out permanents and anything attached to them as though they don't exist until their controller's next turn.)

Whenever an Aura or Equipment enters the battlefield under your control, create a 2/2 red Spirit creature token with menace. At the beginning of your end step, put a +1/+1 counter on each modified creature you control. (Equipment, Auras you control, and counters are modifications.)

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

Counter target spell unless its controller pays {X}.

Multikicker {1} (You may pay an additional {1} any number of times as you cast this spell.) Choose any target, then choose another target for each time this spell was kicked. Comet Storm deals X damage to each of them.

Exile the top X cards of your library. Until the end of your next turn, you may play those cards.

Counter target spell unless its controller pays {X}. Scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Whenever a creature you control dies, put X +1/+1 counters on target creature you control, where X is the power of the creature that died.

Devil's Play deals X damage to any target. Flashback {X}{R}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Roll a d20 and add the number of cards in your hand. 1—14 | Draw X cards. 15+ | Scry X, then draw X cards.

{X}{G}{G}{G}: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.) As long as Domesticated Hydra is monstrous, it has trample.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead. If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.

Electrodominance deals X damage to any target. You may cast a spell with mana value X or less from your hand without paying its mana cost.

Whenever a creature with power 3 or greater enters the battlefield under your control, draw a card.

When Elite Arcanist enters the battlefield, you may exile an instant card from your hand. {X}, {T}: Copy the exiled card. You may cast the copy without paying its mana cost. X is the mana value of the exiled card.

{T}: Add {G}.

Endless One enters the battlefield with X +1/+1 counters on it.

Reveal the top X plus one cards of your library and separate them into two piles. An opponent chooses one of those piles. Put that pile into your hand and the other into your graveyard.

Until end of turn, double target creature's power X times.

Search your library and/or graveyard for a creature card with mana value X or less and put it onto the battlefield. If you search your library this way, shuffle. If X is 10 or more, creatures you control get +X/+X and gain haste until end of turn.

You may cast up to one target instant card and/or up to one target sorcery card from your graveyard each with mana value X or less without paying their mana costs. If a spell cast this way would be put into your graveyard, exile it instead. If X is 10 or more, copy each of those spells twice. You may choose new targets for the copies.

Draw X cards. If X is 10 or more, instead shuffle your graveyard into your library, draw X cards, untap up to five lands, and you have no maximum hand size for the rest of the game. Exile Finale of Revelation.

This spell costs {1} more to cast for each target beyond the first. Fireball deals X damage divided evenly, rounded down, among any number of targets.

Flame Discharge deals X damage to target creature or planeswalker. If you controlled a modified creature as you cast this spell, it deals X plus 2 damage instead. (Equipment, Auras you control, and counters are modifications.)

Populate X times. (To populate, create a token that's a copy of a creature token you control. Do this X times.)

Flying Skyswarm — At the beginning of your end step, if a creature entered the battlefield under your control this turn, create a 1/1 blue Tyranid Gargoyle creature token with flying.

Create X X/X green Ooze creature tokens.

When you cast this spell, reveal the top X cards of your library. You may put a nonland permanent card with mana value X or less from among them onto the battlefield. Then shuffle the rest into your library. Genesis Hydra enters the battlefield with X +1/+1 counters on it.

Reveal the top X cards of your library. You may put any number of permanent cards with mana value X or less from among them onto the battlefield. Then put all cards revealed this way that weren't put onto the battlefield into your graveyard.

Genestealer's Kiss — Whenever Genestealer Patriarch attacks, put an infection counter on target creature defending player controls. Children of the Cult — Whenever a creature with an infection counter on it dies, you create a token that's a copy of that creature, except it's a Tyranid in addition to its other types.

Ghired's Belligerence deals X damage divided as you choose among any number of target creatures. Whenever a creature dealt damage this way dies this turn, populate. (Create a token that's a copy of a creature token you control.)

Search your library for a green creature card with mana value X or less, put it onto the battlefield, then shuffle. Shuffle Green Sun's Zenith into its owner's library.

Each other non-Human creature you control enters the battlefield with an additional +1/+1 counter on it.

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.) {T}: Add {G} for each +1/+1 counter on Gyre Sage.

Hangarback Walker enters the battlefield with X +1/+1 counters on it. When Hangarback Walker dies, create a 1/1 colorless Thopter artifact creature token with flying for each +1/+1 counter on Hangarback Walker. {1}, {T}: Put a +1/+1 counter on Hangarback Walker.

Rapacious Hunger — Whenever another creature dies, put a +1/+1 counter on Haruspex. Devouring Monster — {T}, Remove X +1/+1 counters from Haruspex: Add X mana of any one color.

Shroud (This enchantment can't be the target of spells or abilities.) {X}: Put X tower counters on Helix Pinnacle. At the beginning of your upkeep, if there are 100 or more tower counters on Helix Pinnacle, you win the game.

Frenzied Metabolism — As an additional cost to cast this spell, you may remove any number of +1/+1 counters from among creatures you control. This spell costs {2} less to cast for each counter removed this way. Vigilance, reach, ward {2} Titanic — Hierophant Bio-Titan can't be blocked by creatures with power 2 or less.

Hooded Hydra enters the battlefield with X +1/+1 counters on it. When Hooded Hydra dies, create a 1/1 green Snake creature token for each +1/+1 counter on it. Morph {3}{G}{G} As Hooded Hydra is turned face up, put five +1/+1 counters on it.

Hungering Hydra enters the battlefield with X +1/+1 counters on it. Hungering Hydra can't be blocked by more than one creature. Whenever Hungering Hydra is dealt damage, put that many +1/+1 counters on it. (It must survive the damage to get the counters.)

{T}: Add one mana of any type that a land you control could produce. If Incubation Druid has a +1/+1 counter on it, add three mana of that type instead. {3}{G}{G}: Adapt 3. (If this creature has no +1/+1 counters on it, put three +1/+1 counters on it.)

You may pay {2}{U} rather than pay this spell's mana cost. If the {2}{U} cost was paid, you draw three cards, then an opponent creates two Treasure tokens and they scry 2. If that cost wasn't paid, you draw X cards.

Imprint — When Isochron Scepter enters the battlefield, you may exile an instant card with mana value 2 or less from your hand. {2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Jaya's Immolating Inferno deals X damage to each of up to three targets.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Look at the top X cards of your library. You may put any number of land and/or legendary permanent cards with mana value X or less from among them onto the battlefield. Put the rest into your graveyard.

Whenever a creature with power 4 or greater enters the battlefield under your control, draw a card. −1: Untap target permanent.

Kurbis, Harvest Celebrant enters the battlefield with a number of +1/+1 counters on it equal to the amount of mana spent to cast it. Remove a +1/+1 counter from Kurbis: Prevent all damage that would be dealt this turn to another target creature with a +1/+1 counter on it.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.) Let the Galaxy Burn deals X plus 2 damage to each creature that didn't enter the battlefield this turn.

Flash Pheromone Trail — When Lictor enters the battlefield, if a creature entered the battlefield under an opponent's control this turn, create a 3/3 green Tyranid Warrior creature token with trample.

Trample Lifeblood Hydra enters the battlefield with X +1/+1 counters on it. When Lifeblood Hydra dies, you gain life and draw cards equal to its power.

Light Up the Night deals X damage to any target. It deals X plus 1 damage instead if that target is a creature or planeswalker. Flashback—{3}{R}, Remove X loyalty counters from among planeswalkers you control. If you cast this spell this way, X can't be 0. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

{T}: Add {G}.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Counter target spell unless its controller pays {X}.

Return X target cards with different mana values from your graveyard to your hand. If eight or more cards were returned to your hand this way, your life total becomes equal to your starting life total. Exile Long Rest.

Flying Scavenge the Dead — When Malanthrope enters the battlefield, exile target player's graveyard. Put a +1/+1 counter on Malanthrope for each creature card exiled this way.

As an additional cost to cast this spell, you may exile any number of green cards from your hand. This spell costs {2} less to cast for each card exiled this way. Choose target creature with mana value less than X. Search your library for a creature card with the same name as that creature, put it onto the battlefield tapped, then shuffle.

As an additional cost to cast this spell, you may exile any number of red cards from your hand. This spell costs {2} less to cast for each card exiled this way. Exile the top X cards of your library. You may play up to two of those cards until the end of your next turn.

As an additional cost to cast this spell, you may exile any number of blue cards from your hand. This spell costs {2} less to cast for each card exiled this way. Up to X target creatures phase out. (While they're phased out, they're treated as though they don't exist. Each one phases in before its controller untaps during their next untap step.)

Gain control of X target creatures and/or planeswalkers.

Meteor Blast deals 4 damage to each of X targets.

Meteor Swarm deals 8 damage divided as you choose among X target creatures and/or planeswalkers.

Counter target spell unless its controller pays {X}. Mindswipe deals X damage to that spell's controller.

This spell can't be countered. Haste, protection from blue Mistcutter Hydra enters the battlefield with X +1/+1 counters on it.

Exile the top X cards of your library. You may cast an instant or sorcery spell with mana value X or less from among them without paying its mana cost. Then put the exiled instant and sorcery cards that weren't cast this way into your hand and the rest on the bottom of your library in a random order.

As Neverwinter Hydra enters the battlefield, roll X d6. It enters with a number of +1/+1 counters on it equal to the total of those results. Trample Ward {4} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {4}.)

Flying Nimbus Swimmer enters the battlefield with X +1/+1 counters on it.

Choose one — • Search your library for up to X land cards, reveal them, put them into your hand, then shuffle. • Nylea's Intervention deals twice X damage to each creature with flying.

Trample If you tap a permanent for mana, it produces three times as much of that mana instead.

Trample Ochre Jelly enters the battlefield with X +1/+1 counters on it. Split — When Ochre Jelly dies, if it had two or more +1/+1 counters on it, create a token that's a copy of it at the beginning of the next end step. The token enters the battlefield with half that many +1/+1 counters on it, rounded down.

Trample Other creatures you control have trample. When Old One Eye enters the battlefield, create a 5/5 green Tyranid creature token. Fast Healing — At the beginning of your precombat main phase, you may discard two cards. If you do, return Old One Eye from your graveyard to your hand.

Imprint — When Prototype Portal enters the battlefield, you may exile an artifact card from your hand. {X}, {T}: Create a token that's a copy of the exiled card. X is the mana value of that card.

Purestrain Genestealer enters the battlefield with two +1/+1 counters on it. Vanguard Species — Whenever Purestrain Genestealer attacks, you may remove a +1/+1 counter from it. If you do, search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Ravaging Blaze deals X damage to target creature. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, Ravaging Blaze also deals X damage to that creature's controller.

Red Sun's Zenith deals X damage to any target. If a creature dealt damage this way would die this turn, exile it instead. Shuffle Red Sun's Zenith into its owner's library.

Creature spells you control can't be countered. Nontoken creatures you control have riot. (They enter the battlefield with your choice of a +1/+1 counter or haste.)

Whenever a player casts an instant or sorcery spell, exile it instead of putting it into a graveyard as it resolves. {X}, {T}, Sacrifice Rod of Absorption: You may cast any number of spells from among cards exiled with Rod of Absorption with total mana value X or less without paying their mana costs.

Rolling Earthquake deals X damage to each creature without horsemanship and each player.

Rolling Thunder deals X damage divided as you choose among any number of targets.

Whenever another creature enters the battlefield, its controller may draw a card if its power is greater than each other creature's power. {G}, {T}: Add X mana in any combination of colors, where X is the greatest power among creatures you control.

{X}, {T}: Exile target creature card with mana value X from a graveyard. Create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it. Activate only as a sorcery.

For each of up to X target creatures, create a red Aura enchantment token named Smoke Blessing attached to that creature. Those tokens have enchant creature and "When enchanted creature dies, it deals 1 damage to its controller and you create a Treasure token."

Imprint — When Soul Foundry enters the battlefield, you may exile a creature card from your hand. {X}, {T}: Create a token that's a copy of the exiled card. X is the mana value of that card.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Counter target spell with mana value X.

Target creature you control deals damage equal to its power to each of X target creatures and/or planeswalkers.

Reach, trample, protection from multicolored Stonecoil Serpent enters the battlefield with X +1/+1 counters on it.

When you cast your next instant or sorcery spell this turn, copy that spell X times. You may choose new targets for the copies.

Street Spasm deals X damage to target creature without flying you don't control. Overload {X}{X}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Subterranean Tremors deals X damage to each creature without flying. If X is 4 or more, destroy all artifacts. If X is 8 or more, create an 8/8 red Lizard creature token.

Counter target spell unless its controller pays {X}. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Tempting offer — Create X 1/1 red Elemental creature tokens with haste. Each opponent may create X 1/1 red Elemental creature tokens with haste. For each opponent who does, create X 1/1 red Elemental creature tokens with haste.

Choose one — • Look at the top X cards of your library. Put up to two of them into your hand and the rest on the bottom of your library in a random order. • Counter target spell unless its controller pays twice {X}.

Counter target spell unless its controller pays {X}, where X is your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

This spell costs {X} less to cast, where X is the greatest power among creatures you control. {T}: Add {G}{G}. You gain 2 life. Whenever a nontoken creature enters the battlefield under your control, put a +1/+1 counter on it and draw a card.

You may activate abilities of creatures you control as though those creatures had haste. {1}, {T}: Untap target creature.

Reach, deathtouch Hypertoxic Miasma — All lands have "{T}: Add one mana of any color" and lose all other abilities.

Flying, ward {4} Shrieking Gargoyles — Whenever Tyranid Harridan or another Tyranid you control deals combat damage to a player, create a 1/1 blue Tyranid Gargoyle creature token with flying.

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.) Synapse Creature — Other creatures you control have evolve.

Flying, deathtouch, hexproof

{X}{R}: This turn, creatures can't block unless their controller pays {X} for each blocking creature they control.