Taborax, Hope's Demise is a rare Legendary Creature — Demon Cleric card from Foundations Jumpstart (J25), collector number 69. Current market price: $0.33, TCGplayer market prices via Scryfall.
Flying Taborax has lifelink as long as it has five or more +1/+1 counters on it. Whenever another nontoken creature you control dies, put a +1/+1 counter on Taborax. If that creature was a Cleric, you may draw a card. If you do, you lose 1 life.