Trafalgar Law (ST17-002) (ST17-002) - Starter Deck 17: BLUE Donquixote Doflamingo Foil

[On Play] You may return 1 of your Characters to the owner's hand: If your Leader has the "The Seven Warlords of the Sea" type, return up to 1 Character with a cost of 4 or less to the owner's hand.