Soulblade Corrupter is a uncommon Creature — Human Warrior card from Battlebond (BBD), collector number 17. Current market price: $0.18 (foil $0.44), TCGplayer market prices via Scryfall.
Partner with Soulblade Renewer (When this creature enters, target player may put Soulblade Renewer into their hand from their library, then shuffle.) Deathtouch Whenever a creature with a +1/+1 counter on it attacks one of your opponents, that creature gains deathtouch until end of turn.