Unstable Mutation is a uncommon Enchantment — Aura card from Magic: The Gathering (Ultimate Masters, UMA). Current market price: $0.12.
Uncommon
Ultimate Masters (UMA)
{U}
Mana Value
1
Colors
U
Card Text
Enchant creature
Enchanted creature gets +3/+3.
At the beginning of the upkeep of enchanted creature's controller, put a -1/-1 counter on that creature.
