Fallaji Dragon Engine is a uncommon Artifact Creature — Dragon card from The Brothers' War (BRO), collector number 159. Current market price: $0.10 (foil $0.33), TCGplayer market prices via Scryfall.
Prototype {2}{R} — 1/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Flying {2}: This creature gets +1/+0 until end of turn.