This card is put into the mana zone tapped. Your opponent may put 2 cards from his mana zone into his graveyard. If they don't, choose 1 of your opponent's creatures in the battle zone and destroy it. Overdrive Fire x1 and Darkness x1 (When this spell is cast, you may tap an additional 1 Fire and 1 Darkness card in your mana zone. If you do, this spell gains the following [OD] ability). [OD] Your opponent chooses 1 of his shields for each card put into the graveyard by this spell's effect and puts them in their graveyard.