Cloudthresher is a rare Creature — Elemental card from Duel Decks: Nissa vs. Ob Nixilis (DDR), collector number 6. Current market price: $0.20, TCGplayer market prices via Scryfall.
Flash Reach When this creature enters, it deals 2 damage to each creature with flying and each player. Evoke {2}{G}{G} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)