Animist's Might is a uncommon Sorcery card from March of the Machine: The Aftermath (MAT), collector number 70. Current market price: $0.22 (foil $0.32), TCGplayer market prices via Scryfall.
This spell costs {2} less to cast if it targets a legendary creature you control. Target creature you control deals damage equal to twice its power to target creature or planeswalker you don't control.