Evereth, Viceroy of Plunder is a rare Legendary Creature — Vampire Soldier card from Foundations Jumpstart (J25), collector number 41. Current market price: $3.35, TCGplayer market prices via Scryfall.
Flying Sacrifice another creature or artifact: Put a +1/+1 counter on Evereth. If the sacrificed permanent was a Treasure, Evereth gains lifelink until end of turn. Activate only as a sorcery. When Evereth dies, you may pay {1}{B/R}. When you do, Evereth deals damage equal to its power to each opponent.