Name:Unstable Mutation ManaCost:U Types:Enchantment Aura A:SP$ Attach | Cost$ U | ValidTgts$ Creature | AILogic$ Pump S:Mode$ Continuous | Affected$ Creature.EnchantedBy | AddPower$ 3 | AddToughness$ 3 | Description$ Enchanted creature gets +3/+3. T:Mode$ Phase | Phase$ Upkeep | ValidPlayer$ EnchantedController | TriggerZones$ Battlefield | Execute$ TrigPutCounter | TriggerDescription$ At the beginning of the upkeep of enchanted creature's controller, put a -1/-1 counter on that creature. SVar:TrigPutCounter:AB$ PutCounter | Cost$ 0 | Defined$ Enchanted | CounterType$ M1M1 | CounterNum$ 1 SVar:Picture:http://www.wizards.com/global/images/magic/general/unstable_mutation.jpg Oracle:Enchant creature\nEnchanted creature gets +3/+3.\nAt the beginning of the upkeep of enchanted creature's controller, put a -1/-1 counter on that creature.