RAID <Asta> (active this character and you may move it to the Front Line).

WHEN IN FRONT LINE At the start of your turn, "place the top card of this card in Raid State to the Outside Area". If there is a face-down card under this character, it's "place 1 face-down card under this character to the Outside Area" instead.

ON PLAY Choose up to 1 character on your opponent's Front Line with BP 4000 or less and retire it.