Auto , if your Leader Card is blue : At the end of a battle in which this card was used in a combo from your hand or Drop Area, play this card from your Drop Area in Rest Mode.
Auto If your {SSG Son Goku, Crimson Warrior} is in a battle and there are no cards in your Combo Area : When your Leader Card's skill places this card in a Drop Area from under your Leader Card, use this card in a combo from your Drop Area.