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[Card Name] Dark Master - Zorc [Type] Ritual/Effect Monster [Attribute] DARK [Sub Type] Fiend [ATK] 2700 [DEF] 1500 [Card Text] 
You can Ritual Summon this card with "Contract with the Dark Master". Once per turn: You can roll 1 six-sided die, then destroy all monsters your opponent controls if you roll 1 or 2, destroy 1 monster your opponent controls if you roll 3, 4 or 5, or destroy all monsters you control if you roll 6.
Yu-Gi-Oh! Level 8 Monsters - Yu-Gi-Oh! Card Guide
Card Text