Blitz Automaton is a common Artifact Creature — Construct card from The Brothers' War (BRO), collector number 158. Current market price: $0.15 (foil $0.22), TCGplayer market prices via Scryfall.
Prototype {2}{R} — 3/2 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Haste