Dragon Whisperer is a mythic Creature — Human Shaman card from Dragons of Tarkir (DTK), collector number 137. Current market price: $0.67 (foil $3.12), TCGplayer market prices via Scryfall.
{R}: This creature gains flying until end of turn. {1}{R}: This creature gets +1/+0 until end of turn. Formidable — {4}{R}{R}: Create a 4/4 red Dragon creature token with flying. Activate only if creatures you control have total power 8 or greater.