Noble Hierarch is a rare Creature — Human Druid card from Double Masters (2XM), collector number 352. Current market price: $23.43 (foil $23.07), 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}.