Unstable Mutation (SUM)

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.

Legalities

• brawl: banned
• commander: legal
• legacy: legal
• modern: legal
• pauper: legal
• pioneer: banned
• standard: banned
• vintage: legal

Rulings

• 2005-08-01:

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

Links

• Scryfall
• Gatherer
• TCGplayer

Other Printings

• Unstable Mutation (ARN)
• Unstable Mutation (3ED)
• Unstable Mutation (4ED)
• Unstable Mutation (4BB)
• Unstable Mutation (5ED)
• Unstable Mutation (TSB)
• Unstable Mutation (UMA)
• Unstable Mutation (FBB)