Whisperer of the Wilds is a common Creature — Human Shaman card from Fate Reforged (FRF), collector number 144. Current market price: $0.19 (foil $1.13), 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.