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
Illicit Masquerade 3BEnchantment Flash When Illicit Masquerade enters the battlefield, put an impostor counter on each creature you control. Whenever a creature you control with an impostor counter on it dies, exile it. Return up to one other target creature card from your graveyard to the battlefield.
Bouncer's Beatdown 2GInstant This spell costs {2} less to cast if it targets a black permanent. Bouncer's Beatdown deals X damage to target creature or planeswalker, where X is the greatest power among creatures you control. If that creature or planeswalker would die this turn, exile it instead.
Hidden Blade 2Artifact — Equipment Flash When Hidden Blade enters the battlefield, attach it to target creature you control. If that creature is an Assassin, it gains deathtouch until end of turn. Equipped creature gets +1/+0 and has first strike. Equip {2}
Hobgoblin Captain 1RCreature — Goblin Barbarian Pack tactics — Whenever Hobgoblin Captain attacks, if you attacked with creatures with total power 6 or greater this combat, Hobgoblin Captain gains first strike until end of turn. 3/1
Snow Fortress 5Artifact Creature — Wall Defender (This creature can't attack.) {1}: Snow Fortress gets +1/+0 until end of turn. {1}: Snow Fortress gets +0/+1 until end of turn. {3}: Snow Fortress deals 1 damage to target creature without flying that's attacking you. 0/4
Briarpack Alpha 3GCreature — Wolf Flash (You may cast this spell any time you could cast an instant.) When Briarpack Alpha enters the battlefield, target creature gets +2/+2 until end of turn. 3/3
Corrupted Key BArtifact — Key As long as Corrupted Key is tapped, creatures you control have menace and deathtouch.
Phyrexian Battleflies BCreature — Phyrexian Insect Flying {B}: Phyrexian Battleflies gets +1/+0 until end of turn. Activate no more than twice each turn. 0/1
Aggressive Urge 1GInstant Target creature gets +1/+1 until end of turn. Draw a card.
Defiant Strike WInstant Target creature gets +1/+0 until end of turn. Draw a card.
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