Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Biomass Mutation

XG/UG/U · Instant

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

Similar cards

Color identity:
NameManaTypeText
Sarevok, Mighty Usurper 3BGLegendary Creature — Human Knight Trample At the beginning of combat on your turn, target creature you control gains trample and gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard. 4/4
Exert Influence 4USorcery Converge — Gain control of target creature if its power is less than or equal to the number of colors of mana spent to cast this spell.
Resuscitate 1GInstant Until end of turn, creatures you control gain "{1}: Regenerate this creature."
Penregon Besieged 1BEnchantment At the beginning of your end step, choose a creature with the least toughness among creatures your opponents control. It perpetually gets -1/-1. When your opponents control no creatures, sacrifice Penregon Besieged.
Getaway Glamer WInstant Spree (Choose one or more additional costs.) + {1} — Exile target nontoken creature. Return it to the battlefield under its owner's control at the beginning of the next end step. + {2} — Destroy target creature if no other creature has greater power.
Picnic Ruiner 1RCreature — Goblin Rogue Whenever Picnic Ruiner attacks while you control a creature with power 4 or greater, Picnic Ruiner gains double strike until end of turn. 2/2
Mishra's Foundry Land {T}: Add {C}. {2}: Mishra's Foundry becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land. {1}, {T}: Target attacking Assembly-Worker gets +2/+2 until end of turn.
Huatli, Dinosaur Knight 4RWLegendary Planeswalker — Huatli [+2]: Put two +1/+1 counters on up to one target Dinosaur you control. [−3]: Target Dinosaur you control deals damage equal to its power to target creature you don't control. [−7]: Dinosaurs you control get +4/+4 until end of turn. Loyalty 4
Starlit Sanctum Land {T}: Add {C}. {W}, {T}, Sacrifice a Cleric creature: You gain life equal to the sacrificed creature's toughness. {B}, {T}, Sacrifice a Cleric creature: Target player loses life equal to the sacrificed creature's power.
Chaos Terminator Lord 3RCreature — Astartes Warrior Lord of Chaos — At the beginning of combat on your turn, another target creature you control gains double strike until end of turn. 3/3
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