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
Venom Connoisseur 1GCreature — Human Druid Alliance — Whenever another creature enters the battlefield under your control, Venom Connoisseur gains deathtouch until end of turn. If this is the second time this ability has resolved this turn, all creatures you control gain deathtouch until end of turn. 2/2
Hooded Kavu 2RCreature — Kavu {B}: Hooded Kavu gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.) 2/2
Dinosaur Egg 1GCreature — Dinosaur Egg 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.) When Dinosaur Egg dies, you may discover X, where X is its toughness. 0/3
Atarka Beastbreaker 1GCreature — Human Warrior Formidable — {4}{G}: Atarka Beastbreaker gets +4/+4 until end of turn. Activate only if creatures you control have total power 8 or greater. 2/2
Riveteers Initiate 1RCreature — Viashino Citizen {1}{B/G}: Riveteers Initiate gains deathtouch until end of turn. 2/2
Demonspine Whip BRArtifact — Equipment {X}: Equipped creature gets +X/+0 until end of turn. Equip {1}
Snakeskin Veil GInstant Put a +1/+1 counter on target creature you control. It gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)
Frostwind Invoker 4UCreature — Merfolk Wizard Flying {8}: Creatures you control gain flying until end of turn. 3/3
Cave People 1RRCreature — Human Whenever Cave People attacks, it gets +1/-2 until end of turn. {1}{R}{R}, {T}: Target creature gains mountainwalk until end of turn. (It can't be blocked as long as defending player controls a Mountain.) 1/4
Warzone Duplicator 6Artifact Creature — Construct Prototype {3}{U} — 3/3 When Warzone Duplicator enters the battlefield, return target creature an opponent controls with power less than Warzone Duplicator's power to its owner's hand. If that creature wasn't a token, conjure a duplicate of it into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell." 6/6
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