Choose one or both — • Return target creature you control to its owner's hand. That card perpetually gains "This spell costs {1} less to cast." • Return target creature you don't control to its owner's hand. That card perpetually gains "This spell costs {1} more to cast."
Enchant creature Enchanted creature gets +2/-2. Threshold — Enchanted creature gets an additional +2/-2 as long as seven or more cards are in your graveyard.