One Piece TCG Card Game - Op07-048 (UC) Donquixote Doflamingo

Effect [Activate: Main] [Once Per Turn] ➁ (You may rest the specified number of DON!! cards in your cost area.): Reveal 1 card from the top of your deck. If that card is a {The Seven Warlords of the Sea} type Character card with a cost of 4 or less, you may play that card rested. Then, place the rest at the bottom of your deck.