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
Witness Protection UEnchantment — Aura Enchant creature Enchanted creature loses all abilities and is a green and white Citizen creature with base power and toughness 1/1 named Legitimate Businessperson. (It loses all other colors, card types, creature types, and names.)
Valakut Fireboar 4RCreature — Elemental Boar Whenever Valakut Fireboar attacks, switch its power and toughness until end of turn. 1/7
Evolved Sleeper BCreature — Human {B}: Evolved Sleeper becomes a Human Cleric with base power and toughness 2/2. {1}{B}: If Evolved Sleeper is a Cleric, put a deathtouch counter on it and it becomes a Phyrexian Human Cleric with base power and toughness 3/3. {1}{B}{B}: If Evolved Sleeper is a Phyrexian, put a +1/+1 counter on it, then you draw a card and you lose 1 life. 1/1
Bogardan Dragonheart 2RCreature — Human Shaman Sacrifice another creature: Until end of turn, Bogardan Dragonheart becomes a Dragon with base power and toughness 4/4, flying, and haste. 2/2
Stasis Field 1UEnchantment — Aura Enchant creature Enchanted creature has base power and toughness 0/2, has defender, and loses all other abilities.
Battlegate Mimic 1R/WCreature — Shapeshifter Whenever you cast a spell that's both red and white, Battlegate Mimic has base power and toughness 4/2 until end of turn and gains first strike until end of turn. 2/1
Island of Wak-Wak Land {T}: Target creature with flying has base power 0 until end of turn.
Woodcaller Automaton 10Artifact Creature — Construct Prototype {2}{G}{G} — 3/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) When Woodcaller Automaton enters the battlefield, if you cast it, untap target land you control. It becomes a Treefolk creature with haste and base power and toughness equal to Woodcaller Automaton's power and toughness. It's still a land. 8/8
Arni Brokenbrow 2RLegendary Creature — Human Berserker Haste Boast — {1}: You may change Arni Brokenbrow's base power to 1 plus the greatest power among other creatures you control until end of turn. (Activate only if this creature attacked this turn and only once each turn.) 3/3
Riverfall Mimic 1U/RCreature — Shapeshifter Whenever you cast a spell that's both blue and red, Riverfall Mimic has base power and toughness 3/3 until end of turn and can't be blocked this turn. 2/1
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