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
Heronblade Elite 2GCreature — Human Warrior Vigilance Whenever another Human enters the battlefield under your control, put a +1/+1 counter on Heronblade Elite. {T}: Add X mana of any one color, where X is Heronblade Elite's power. 1/1
Righteous War 1WBEnchantment White creatures you control have protection from black. Black creatures you control have protection from white.
Garruk's Uprising 2GEnchantment When Garruk's Uprising enters the battlefield, if you control a creature with power 4 or greater, draw a card. Creatures you control have trample. (They can deal excess combat damage to the player or planeswalker they're attacking.) Whenever a creature with power 4 or greater enters the battlefield under your control, draw a card.
Bramble Creeper 4GCreature — Elemental Whenever Bramble Creeper attacks, it gets +5/+0 until end of turn. 0/3
Rammas Echor, Ancient Shield 3WLegendary Artifact Whenever you cast your second spell each turn, draw a card, then create a 0/3 white Wall creature token with defender. At the beginning of combat on your turn, creatures you control with defender gain exalted until end of turn. (Whenever a creature you control attacks alone, it gets +1/+1 until end of turn for each instance of exalted among permanents you control.)
Ana Sanctuary 2GEnchantment At the beginning of your upkeep, if you control a blue or black permanent, target creature gets +1/+1 until end of turn. If you control a blue permanent and a black permanent, that creature gets +5/+5 until end of turn instead.
Saryth, the Viper's Fang 2GGLegendary Creature — Human Warlock Other tapped creatures you control have deathtouch. Other untapped creatures you control have hexproof. {1}, {T}: Untap another target creature or land you control. 3/4
Aysen Bureaucrats 1WCreature — Human Advisor {T}: Tap target creature with power 2 or less. 1/1
Patron of the Wild GCreature — Elf Morph {2}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Patron of the Wild is turned face up, target creature gets +3/+3 until end of turn. 1/1
Unerring Sling 3Artifact {3}, {T}, Tap an untapped creature you control: Unerring Sling deals damage equal to the tapped creature's power to target attacking or blocking creature with flying.
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