Taborax, Hope's Demise is a rare Legendary Creature — Demon Cleric card from Magic Online Promos (PRM), collector number 83768.
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.