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
Duke Ulder Ravengard 4RWLegendary Creature — Human Noble Soldier At the beginning of combat on your turn, another target creature you control gains haste and myriad until end of turn. (Whenever it attacks, for each opponent other than defending player, you may create a token that's a copy of that creature that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.) 5/5
Humbler of Mortals 4GGEnchantment Creature — Elemental Constellation — Whenever Humbler of Mortals or another enchantment enters the battlefield under your control, creatures you control gain trample until end of turn. 5/5
Haazda Vigilante 4WCreature — Giant Soldier Whenever Haazda Vigilante enters the battlefield or attacks, put a +1/+1 counter on target creature you control with power 2 or less. 4/4
Concerted Effort 2WWEnchantment At the beginning of each upkeep, creatures you control gain flying until end of turn if a creature you control has flying. The same is true for fear, first strike, double strike, landwalk, protection, trample, and vigilance.
A-Sigil of Myrkul 1BEnchantment At the beginning of combat on your turn, mill a card. When you do, if there are four or more creature cards in your graveyard, put a +1/+1 counter on target creature you control and it gains deathtouch until end of turn. (To mill a card, put the top card of your library into your graveyard.)
Sigil of Myrkul 2BEnchantment At the beginning of combat on your turn, mill a card. When you do, if there are four or more creature cards in your graveyard, put a +1/+1 counter on target creature you control and it gains deathtouch until end of turn. (To mill a card, put the top card of your library into your graveyard.)
Inscription of Abundance 1GInstant Kicker {2}{G} Choose one. If this spell was kicked, choose any number instead. • Put two +1/+1 counters on target creature. • Target player gains X life, where X is the greatest power among creatures they control. • Target creature you control fights target creature you don't control.
Embereth Skyblazer 3RCreature — Human Knight As long as it's your turn, Embereth Skyblazer has flying. Whenever Embereth Skyblazer attacks, you may pay {2}{R}. If you do, creatures you control get +X/+0 until end of turn, where X is the number of opponents you have. 4/3
Kamiz, Obscura Oculus 1WUBLegendary Creature — Cephalid Rogue Whenever you attack, target attacking creature can't be blocked this turn. It connives. Then choose another attacking creature with lesser power. That creature gains double strike until end of turn. (To have a creature connive, draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on that creature.) 2/4
Ruby Collector WCreature — Human Detective When you attack with three or more creatures, conjure a card named Mox Ruby into your hand. This ability triggers only once. {1}{R}: Creatures you control get +1/+0 until end of turn. 1/1
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