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
Bottle Golems 4Artifact Creature — Golem Trample When Bottle Golems dies, you gain life equal to its power. 3/3
Battlewand Oak 2GCreature — Treefolk Warrior Whenever a Forest enters the battlefield under your control, Battlewand Oak gets +2/+2 until end of turn. Whenever you cast a Treefolk spell, Battlewand Oak gets +2/+2 until end of turn. 1/3
Heat Wave 2REnchantment Cumulative upkeep {R} (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.) Blue creatures can't block creatures you control. Nonblue creatures can't block creatures you control unless their controller pays 1 life for each blocking creature they control.
Nuclear Fallout XBBSorcery Each creature gets twice -X/-X until end of turn. Each player gets X rad counters.
Deepwood Elder GGCreature — Dryad Spellshaper {X}{G}{G}, {T}, Discard a card: X target lands become Forests until end of turn. 2/2
The Crowd Goes Wild XGSorcery Assist (Another player can pay up to {X} of this spell's cost. You choose the value of X.) Support X. (Put a +1/+1 counter on each of up to X target creatures.) Each creature with a +1/+1 counter on it gains trample until end of turn.
Cliffside Rescuer 1WCreature — Kor Soldier Vigilance {T}, Sacrifice Cliffside Rescuer: Target permanent you control gains protection from each of your opponents until end of turn. (It can't be blocked, targeted, dealt damage, enchanted, or equipped by anything controlled by those players.) 2/2
Packsong Pup 1GCreature — Wolf At the beginning of combat on your turn, if you control another Wolf or Werewolf, put a +1/+1 counter on Packsong Pup. When Packsong Pup dies, you gain life equal to its power. 1/1
Acornelia, Fashionable Filcher 3BLegendary Creature — Squirrel Whenever you cast a spell with a squirrel in its art, you get {A} (an acorn counter). Whenever a Squirrel you control enters the battlefield or dies, you get {A}. {2}{B}, Pay X {A}: Target creature gets -X/-X until end of turn. {G}, Pay X {A}: Target creature gets +X/+X until end of turn. 3/3
Boros Fury-Shield 2WInstant Prevent all combat damage that would be dealt by target attacking or blocking creature this turn. If {R} was spent to cast this spell, Boros Fury-Shield deals damage to that creature's controller equal to the creature's power.
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