Amorphage Lysis

All monsters on the field, except "Amorphage" monsters, lose 100 ATK and DEF for each "Amorphage" card on the field. If a card(s) in your Pendulum Zone is destroyed (except during the Damage Step): You can place 1 "Amorphage" Pendulum Monster from your Deck in your Pendulum Zone. You can only use this effect of "Amorphage Lysis" once per turn.