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.

Flying Whenever a player sacrifices another permanent, put a +1/+1 counter on each creature you control.

Target player loses X life and you gain X life, where X is the greatest power among creatures you control.

Prevent all combat damage that would be dealt this turn.

Permanents you control gain hexproof and indestructible until end of turn.

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

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.

Sacrifice a creature: Draw cards equal to the sacrificed creature's power, then discard three cards.

As an additional cost to cast this spell, sacrifice a creature. Draw cards equal to the sacrificed creature's power.

As an additional cost to cast this spell, sacrifice a creature. You draw cards equal to the sacrificed creature's power, then you gain life equal to its toughness.

Choose one — • Draw cards equal to the greatest power among non-Human creatures you control. • Non-Human creatures you control get +3/+3 until end of turn.

Draw cards equal to the greatest power among creatures you control. You may cast a spell with mana value 5 or less from your hand without paying its mana cost.

({T}: Add {B} or {R}.) As Blood Crypt enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

({T}: Add {B} or {R}.) Canyon Slough enters the battlefield tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

({T}: Add {R} or {G}.) Cinder Glade enters the battlefield tapped unless you control two or more basic lands.

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

Dragonskull Summit enters the battlefield tapped unless you control a Swamp or a Mountain. {T}: Add {B} or {R}.

{T}: Add {C}. {R/G}, {T}: Add {R}{R}, {R}{G}, or {G}{G}.

({T}: Add {G}.)

({T}: Add {B} or {G}.) Haunted Mire enters the battlefield tapped.

Luxury Suite enters the battlefield tapped unless you have two or more opponents. {T}: Add {B} or {R}.

({T}: Add {R}.)

({T}: Add {B} or {G}.) As Overgrown Tomb enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

When Riveteers Overlook enters the battlefield, sacrifice it. When you do, search your library for a basic Swamp, Mountain, or Forest card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

Rootbound Crag enters the battlefield tapped unless you control a Mountain or a Forest. {T}: Add {R} or {G}.

Savage Lands enters the battlefield tapped. {T}: Add {B}, {R}, or {G}.

({T}: Add {R} or {G}.) Sheltered Thicket enters the battlefield tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

Spire Garden enters the battlefield tapped unless you have two or more opponents. {T}: Add {R} or {G}.

({T}: Add {R} or {G}.) As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

({T}: Add {B}.)

Undergrowth Stadium enters the battlefield tapped unless you have two or more opponents. {T}: Add {B} or {G}.

{T}, Pay 1 life, Sacrifice Verdant Catacombs: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Wooded Foothills: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

({T}: Add {R} or {G}.) Wooded Ridgeline enters the battlefield tapped.

Woodland Cemetery enters the battlefield tapped unless you control a Swamp or a Forest. {T}: Add {B} or {G}.

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

Target creature you control deals damage equal to its power to each other creature and each opponent.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Haste (This creature can attack and {T} as soon as it comes under your control.) At the beginning of the end step, sacrifice Ball Lightning.

Trample At the beginning of your upkeep, sacrifice Cosmic Larva unless you sacrifice two lands.

Whenever Daemogoth Titan attacks or blocks, sacrifice a creature.

At the beginning of your upkeep, sacrifice a creature. When you sacrifice Daemogoth Woe-Eater, each opponent discards a card, you draw a card, and you gain 2 life.

This spell costs {X} less to cast, where X is the total power of creatures you control. Trample

Other creatures have "Whenever this creature attacks, you may have it fight Grothama, All-Devouring." When Grothama leaves the battlefield, each player draws cards equal to the amount of damage dealt to Grothama this turn by sources they controlled.

Trample, haste At the beginning of the end step, sacrifice Groundbreaker.

Trample When Hunted Horror enters the battlefield, target opponent creates two 3/3 green Centaur creature tokens with protection from black.

Jarad, Golgari Lich Lord gets +1/+1 for each creature card in your graveyard. {1}{B}{G}, Sacrifice another creature: Each opponent loses life equal to the sacrificed creature's power. Sacrifice a Swamp and a Forest: Return Jarad from your graveyard to your hand.

Trample, haste Whenever Lightning Skelemental deals combat damage to a player, that player discards two cards. At the beginning of the end step, sacrifice Lightning Skelemental.

Malignus's power and toughness are each equal to half the highest life total among your opponents, rounded up. Damage that would be dealt by Malignus can't be prevented.

Whenever you attack, double target creature's power until end of turn.

All creatures able to block Nessian Boar do so. Whenever Nessian Boar becomes blocked by a creature, that creature's controller draws a card.

Cumulative upkeep—Sacrifice a creature. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

This spell costs {1} less to cast for each creature your opponents control. When Primeval Protector enters the battlefield, put a +1/+1 counter on each other creature you control.

At the beginning of your upkeep, discard a card.

Indestructible As long as your devotion to red and green is less than seven, Xenagos isn't a creature. At the beginning of combat on your turn, another target creature you control gains haste and gets +X/+X until end of turn, where X is that creature's power.

Trample Lethal damage dealt to creatures you control is determined by their power rather than their toughness.

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.

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

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

{T}: Add two mana in any combination of colors. Spend this mana only to cast creature spells or activate abilities of a creature or creature card. Whenever you cast a creature spell with power 5 or greater, put a +1/+1 counter on Gwenna, Eyes of Gaea and untap it.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) {T}: Add {B}, {R}, or {G}.

{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.)

This spell can't be countered. Destroy target nonland permanent with mana value 3 or less.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (It can attack and {T} this turn.)

Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Destroy target artifact, creature, or planeswalker.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

As an additional cost to cast this spell, sacrifice a creature. Fling deals damage equal to the sacrificed creature's power to any target.

Destroy target nonland permanent and all other permanents with the same name as that permanent.

Choose one — • Destroy target artifact. • Destroy target enchantment. • Exile target card from a graveyard.

Flying, haste Whenever Goldspan Dragon attacks or becomes the target of a spell, create a Treasure token. Treasures you control have "{T}, Sacrifice this artifact: Add two mana of any one color."

Whenever a player attacks one or more of your opponents, that attacking player creates a Treasure token. If you would create one or more Treasure tokens, instead create those tokens plus an additional Treasure token. Sacrifice five Treasures: Put five +1/+1 counters on Jolene.

When Kalain, Reclusive Painter enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") Other creatures you control enter the battlefield with an additional +1/+1 counter on them for each mana from a Treasure spent to cast them.

Flying Whenever a creature you control deals combat damage to a player, create that many Treasure tokens.

Menace Whenever one or more creatures you control deal combat damage to a player, create a Treasure token. Sacrifice a Treasure: Exile the top card of your library. You may play that card this turn.