Name:Sigil of Sleep
ManaCost:U
Types:Enchantment Aura
K:Enchant:Creature
SVar:AttachAILogic:Curiosity
T:Mode$ DamageDone | ValidSource$ Creature.AttachedBy | ValidTarget$ Player | Execute$ TrigReturn | TriggerZones$ Battlefield | TriggerDescription$ Whenever enchanted creature deals damage to a player, return target creature that player controls to its owner's hand.
SVar:TrigReturn:DB$ ChangeZone | ValidTgts$ Creature | TargetsWithDefinedController$ TriggeredTarget | TgtPrompt$ Select target creature your opponent controls | IsCurse$ True | Origin$ Battlefield | Destination$ Hand
Oracle:Enchant creature\nWhenever enchanted creature deals damage to a player, return target creature that player controls to its owner's hand.
