Rafiq of the Many is a mythic Legendary Creature — Human Knight card from Shards of Alara (ALA), collector number 250. Current market price: $1.02, TCGplayer market prices via Scryfall.
Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) Whenever a creature you control attacks alone, it gains double strike until end of turn.