ACTIVATE MAIN ONCE PER TURN Choose 1 character on your area and place it at the bottom of your deck. If you do, choose up to 1 character on your opponent's Front Line with BP 2000 or more, it gets -1500 BP during this turn. If this character is on the Front Line and the character placed at the bottom of your deck by this effect is a <Mephisto>, choose up to 1 of your AP cards, set it to active and this character gets +500 BP until the start of your next turn.