Tymaret, the Murder King is a rare Legendary Creature — Zombie Warrior card from Theros (THS), collector number 207. Current market price: $0.30 (foil $0.63), TCGplayer market prices via Scryfall.
{1}{R}, Sacrifice another creature: Tymaret deals 2 damage to target player or planeswalker. {1}{B}, Sacrifice a creature: Return this card from your graveyard to your hand.