Dark Master - Zorc

[ Fiend / Ritual / Effect ] You can Ritual Summon this card with "Contract with the Dark Master". Once per turn: You can roll a 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. ATK/ 2700 DEF/ 1500