Trinisphere [Secret Lair Drop Series] Khans of Tarkir Sacrifice the creature when you

Sacrifice the creature when you lose control of Seraph

Gerbera Straight forged by Kiku Ichimonji and Tiger Pierce by Kotetsu

Whenever you cast a spell with cascade

it becomes an Aura with "enchant creature put onto the battlefield with Necromancy

Trinisphere [Secret Lair Drop Series] Khans of Tarkir Sacrifice the creature when youSet: Secret Lair Drop Series 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.)