Wardens of the Cycle is a uncommon Creature — Elf Warlock card from Foundations (FDN), collector number 125. Current market price: $0.23 (foil $0.34), TCGplayer market prices via Scryfall.
Morbid — At the beginning of your end step, if a creature died this turn, choose one — • You gain 2 life. • You draw a card and you lose 1 life.