Kels, Fight Fixer is a rare Legendary Creature — Azra Warlock card from The List (PLST), collector number JMP-15. Current market price: $0.34, TCGplayer market prices via Scryfall.
Menace Whenever you sacrifice a creature, you may pay {U/B}. If you do, draw a card. ({U/B} can be paid with either {U} or {B}.) {1}, Sacrifice a creature: Kels gains indestructible until end of turn.