Hunting Triad is a uncommon Kindred Sorcery — Elf card from Morningtide (MOR), collector number 127. Current market price: $0.30 (foil $1.45), TCGplayer market prices via Scryfall.
Create three 1/1 green Elf Warrior creature tokens. Reinforce 3—{3}{G} ({3}{G}, Discard this card: Put three +1/+1 counters on target creature.)