Noble Hierarch is a rare Creature — Human Druid card from Modern Masters 2015 (MM2), collector number 151. Current market price: $12.09 (foil $14.63), TCGplayer market prices via Scryfall.
Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) {T}: Add {G}, {W}, or {U}.