Blue-Eyes Chaos MAXIMUM Dragon

Ritual Effect Monster

You can Ritual Summon this card with "Chaos Form". Must be Ritual Summoned. You can banish this card from your hand; add 1 "Neo Chaos Form" from your Deck, GY, or banishment to your hand. You can only use this effect of "Blue-Eyes Chaos MAXIMUM Dragon" once per turn. If your monster that mentions "Endless Darkness" attacks a Defense Position monster, inflict piercing battle damage to your opponent. Any battle damage your opponent takes from battles involving this card is doubled.