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.

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.

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.

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.

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.

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.

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.

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.

Partner with Chakram Slinger (When this creature enters the battlefield, target player may put Chakram Slinger into their hand from their library, then shuffle.) Whenever you cast a spell during your turn, untap target creature.

{1}, Exile an instant or sorcery card from your graveyard: Choose one — • Counter target noncreature spell unless its controller pays {2}. • Disciple of the Ring gets +1/+1 until end of turn. • Tap target creature. • Untap target creature.

Enchant creature {U}: Tap enchanted creature. {U}: Untap enchanted creature.

Enchant creature Enchanted creature can attack as though it had haste. {0}: Untap enchanted creature. Activate only during your turn and only once each turn.

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

+1: Untap up to one target creature and up to one target land. −2: Reveal the top four cards of your library. You may put a creature card and/or a land card from among them into your hand. Put the rest into your graveyard. −8: You get an emblem with "Whenever a creature enters the battlefield under your control, you may have it fight target creature." Then create three 8/8 blue Octopus creature tokens.

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

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.

Enchant creature you control {0}: Untap enchanted creature. Activate only during your turn and only once each turn. Tap enchanted creature: Untap target artifact, creature, or land. Activate only if enchanted creature is white and untapped and only once each turn.

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

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

Return a Forest you control to its owner's hand: Untap target creature. Activate only once each turn.

Landfall — Whenever a land enters the battlefield under your control, choose one — • You may tap or untap target creature. • Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Other tapped creatures you control have deathtouch. Other untapped creatures you control have hexproof. {1}, {T}: Untap another target creature or land you control.

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

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

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.

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.

Graft 2 (This creature enters the battlefield with two +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/+1 counter from this creature onto it.) {1}{U}: Untap target creature with a +1/+1 counter on it.

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.

Gain control of target creature with mana value X or less. If X is 5 or more, create a token that's a copy of that creature.

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.)

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.

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.

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.

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

This spell costs {U}{U}{U} less to cast if an opponent has drawn four or more cards this turn. Draw X cards.

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}

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

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.

Mana Bloom enters the battlefield with X charge counters on it. Remove a charge counter from Mana Bloom: Add one mana of any color. Activate only once each turn. At the beginning of your upkeep, if Mana Bloom has no charge counters on it, return it to its owner's hand.

Gain control of X target creatures and/or planeswalkers.

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

X can't be greater than the number of players in the game. Reveal cards from the top of your library until you reveal X land cards. Put those land cards onto the battlefield tapped and the rest on the bottom of your library in a random order.

Draw X cards, then discard a card.

Choose one — • Tap X target permanents. • Untap X target permanents.

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