Archon of Sun's Grace is a rare Creature — Archon card from Theros Beyond Death Promos (PTHB), collector number 3p. Current market price: $0.77 (foil $1.54), TCGplayer market prices via Scryfall.
Flying Lifelink (Damage dealt by this creature also causes you to gain that much life.) Pegasus creatures you control have lifelink. Constellation — Whenever an enchantment you control enters, create a 2/2 white Pegasus creature token with flying.