T:Mode$ DamageDoneOnce | ValidSource$ Card.AttachedBy | Execute$ TrigGain | TriggerZones$ Battlefield | TriggerDescription$ Whenever enchanted creature deals damage, you gain that much life.
Oracle:Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)\nWhenever enchanted creature deals damage, you gain that much life.