Blast-Furnace Hellkite is a rare Creature — Dragon card from The Brothers' War Commander (BRC), collector number 59. Current market price: $4.62, TCGplayer market prices via Scryfall.
Artifact offering (You may cast this spell as though it had flash by sacrificing an artifact and paying the difference in mana costs between this and the sacrificed artifact. Mana cost includes color.) Flying, double strike Creatures attacking your opponents have double strike.