Sublime Archangel is a rare Creature — Angel card from Ultimate Masters (UMA), collector number 38. Current market price: $3.45 (foil $7.03), TCGplayer market prices via Scryfall.
Flying Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) Other creatures you control have exalted. (If a creature has multiple instances of exalted, each triggers separately.)