Cauldron of Souls [Mystery Booster] Vampire Shaman Once guarded by the Knights

Once guarded by the Knights of the Reliquary

Set: Modern Masters Type: Legendary Creature — Dragon Spirit Rarity: Mythic Cost: {4}{B}{B} Flying

Set: Kaladesh Inventions Type: Artifact Creature — Beast Rarity: Mythic Cost: {2} Sacrifice an artifact: Put a +1/+1 counter on Arcbound Ravager

you might as well trade it for something else

Cauldron of Souls [Mystery Booster] Vampire Shaman Once guarded by the KnightsSet: Mystery Booster Type: Artifact Rarity: Rare Cost: {5} {T}: Choose any number of target creatures. Each of those creatures gains persist until end of turn. (When it dies, if it had no 1 1 counters on it, return it to the battlefield under its owner's control with a 1 1 counter on it.)