Book of Good and Evil, Av'esta
Power: 6000 / Critical: 0
■ [Equip Cost] [Pay 1 gauge] ■ If there are no monsters on your opponent's field, this card gets critical+2! ■ When a monster on your opponent's field is destroyed, put the top card of your deck into your gauge and you gain 1 life! This ability only activates once per turn.