Spontaneous Mutation {U}

Enchantment — Aura

Flash

Enchant creature

Enchanted creature gets -X/-0, where X is the number of cards in your graveyard.

Illustrated by Christopher Moeller

Standard
Alchemy
Pioneer
Explorer
Modern
Brawl
Legacy
Historic
Vintage
Pauper
Commander
Penny
Notes and Rules Information for Spontaneous Mutation:
  • The value of X will constantly update as the number of cards in your graveyard changes. (2020-11-10)