Sundial of the Infinite [Mystery Booster] Betrayers of Kamigawa you may return Bloodghast from

you may return Bloodghast from your graveyard to the battlefield

The form of the sigil is just as important as the sigil itself

Set: EX: Ruby & Sapphire Type: Grass Rarity: Holo Rare Retreat cost: 0

You may search your library and/or graveyard for a card named Dovin

Sundial of the Infinite [Mystery Booster] Betrayers of Kamigawa you may return Bloodghast fromSet: Mystery Booster Type: Artifact Rarity: Rare Cost: {2} {1}, {T}: End the turn. Activate only during your turn. (Exile all spells and abilities from the stack. Discard down to your maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)