Trinisphere [Double Masters] Nightmare Horror prevent half that damage

prevent half that damage

then sacrifices the rest

Set: The List Type: Sorcery Rarity: Rare Cost: {3}{R}{R} After the first postcombat main phase this turn

conjure a card named Midnight Clock onto the battlefield

Set: EX: Power Keepers Type: Grass Rarity: Holo Rare Retreat cost: Colorless

Trinisphere [Double Masters] Nightmare Horror prevent half that damageSet: Double Masters Type: Artifact Rarity: Mythic Cost: {3} As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost {1}{B} to cast costs {2}{B} to cast instead.)