Whisperer of the Wilds is a common Creature — Human Shaman card from Double Masters (2XM), collector number 187. Current market price: $0.25 (foil $0.25), TCGplayer market prices via Scryfall.
{T}: Add {G}. Ferocious — {T}: Add {G}{G}. Activate only if you control a creature with power 4 or greater.