Envoy of the Ancestors is a uncommon Creature — Human Cleric card from Modern Horizons 3 (MH3), collector number 23. Current market price: $0.34 (foil $0.40), TCGplayer market prices via Scryfall.
Outlast {W} ({W}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.) Modified creatures you control have lifelink. (Equipment, Auras you control, and counters are modifications.)