Graveblade Marauder is a uncommon Creature — Human Warrior card from Double Masters 2022 (2X2), collector number 77. Current market price: $0.23 (foil $0.26), TCGplayer market prices via Scryfall.
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Whenever this creature deals combat damage to a player, that player loses life equal to the number of creature cards in your graveyard.