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Unstable Mutation

Card Name

Unstable Mutation

Mana Cost

Type

Enchantment – Aura

Rarity

Special

rules Text

Enchant creatureEnchanted creature gets +3/+3.At the beginning of the upkeep of enchanted creature's controller, put a -1/-1 counter on that creature.

Legal Formats

Commander, Legacy, Modern, Pauper, Vintage

Not Legal Formats

Alchemy, Brawl, Explorer, Historic, Pioneer, Standard

Rulings

(8/1/2005)
The -1/-1 counters stay even if the Aura is removed, and the +3/+3 goes away when the Aura does.