Reshef the Dark Being [TLM-EN033] Ultimate RareSet: The Lost Millennium Card type: Ritual Effect Monster Rarity: Ultimate Rare Attack: 2500 Defense: 1500 This card can only be Ritual Summoned with the Ritual Spell Card, 'Final Ritual of the Ancients'. Discard 1 Spell Card from your hand. Take control of 1 monster on your opponent's side of the field until the End Phase. You can only use this effect once per turn.