Set: Battles of Legend: Crystal Revenge Card Number: BLCR-EN054 Rarity: Ultra Rare Attribute: SPELL Card Text: All "Crystal Beast" monsters on the field and in the GY become DARK. If an "Ultimate Crystal" monster attacks , negate the effects of the attack target during that Battle Phase. During damage calculation if a "Crystal Beast" monster you control battles and you would take damage: You can send 1 "Crystal Beast" monster from your Deck to the GY; you take no battle damage from that battle. Card Type: Field Spell Name: Advanced Dark Edition: 1st