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
Voice of the Vermin 3GCreature — Human Citizen Voice of the Vermin enters the battlefield with a shield counter on it. (If it would be dealt damage or destroyed, remove a shield counter from it instead.) Whenever Voice of the Vermin attacks, target creature you control has base power and toughness 4/4 until end of turn. 2/2
Storvald, Frost Giant Jarl 4GWULegendary Creature — Giant Ward {3} Other creatures you control have ward {3}. Whenever Storvald enters the battlefield or attacks, choose one or both — • Target creature has base power and toughness 7/7 until end of turn. • Target creature has base power and toughness 1/1 until end of turn. 7/7
Mass Diminish 1USorcery Until your next turn, creatures target player controls have base power and toughness 1/1. Flashback {3}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Bess, Soul Nourisher 1GWLegendary Creature — Human Citizen Whenever one or more other creatures with base power and toughness 1/1 enter the battlefield under your control, put a +1/+1 counter on Bess, Soul Nourisher. Whenever Bess attacks, each other creature you control with base power and toughness 1/1 gets +X/+X until end of turn, where X is the number of +1/+1 counters on Bess. 1/1
Behind the Mask UInstant As an additional cost to cast this spell, you may collect evidence 6. (Exile cards with total mana value 6 or greater from your graveyard.) Until end of turn, target artifact or creature becomes an artifact creature with base power and toughness 4/3. If evidence was collected, it has base power and toughness 1/1 until end of turn instead.
Suit Up 2UInstant Until end of turn, target creature or Vehicle becomes an artifact creature with base power and toughness 4/5. Draw a card.
Wings of Velis Vel 1UTribal Instant — Shapeshifter Changeling (This card is every creature type.) Until end of turn, target creature has base power and toughness 4/4, gains all creature types, and gains flying.
Turn 2UInstant Until end of turn, target creature loses all abilities and becomes a red Weird with base power and toughness 0/1. Fuse (You may cast one or both halves of this card from your hand.)
Woodlurker Mimic 1B/GCreature — Shapeshifter Whenever you cast a spell that's both black and green, Woodlurker Mimic has base power and toughness 4/5 until end of turn and gains wither until end of turn. (It deals damage to creatures in the form of -1/-1 counters.) 2/1
Skinshifter 1GCreature — Human Shaman {G}: Choose one. Activate only once each turn. • Until end of turn, Skinshifter becomes a Rhino with base power and toughness 4/4 and gains trample. • Until end of turn, Skinshifter becomes a Bird with base power and toughness 2/2 and gains flying. • Until end of turn, Skinshifter becomes a Plant with base power and toughness 0/8. 1/1
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