Sublime Archangel is a mythic Creature — Angel card from Magic 2013 (M13), collector number 36. Current market price: $2.38 (foil $20.58), 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.)