Dark Ruler Ha Des [MC1-EN006] Secret Rare SM37 and Rock monsters on the

and Rock monsters on the field gain 200 ATK/DEF

You can only activate 1 "Spellbook of Eternity" per turn

that target can attack your opponent directly this turn

its ATK and DEF becomes the discarded monster's ATK and DEF

your opponent's monsters cannot activate their effects until the end of the Damage Step

Dark Ruler Ha Des [MC1-EN006] Secret Rare SM37 and Rock monsters on theSet: Master Collection Volume 1 Card type: Effect Monster Rarity: Secret Rare Attack: 2450 Defense: 1600 As long as this card remains face up on the field, the effects of Effect Monsters destroyed as a result of battle by Fiend Type monsters on your side of the field are negated. This card cannot be Special Summoned from the Graveyard.