Lathiel, the Bounteous Dawn is a rare Legendary Creature — Unicorn card from The List (PLST), collector number CMR-285. Current market price: $0.63, TCGplayer market prices via Scryfall.
Lifelink At the beginning of each end step, if you gained life this turn, distribute up to that many +1/+1 counters among any number of other target creatures.