Zorc - Maître des Ténèbres DCR-FR082

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 the result is 1 or 2, destroy 1 monster your opponent controls. If the result is 3, 4, or 5, destroy all monsters you control if the result is 6.