Draconautics Engineer is a rare Creature — Goblin Artificer card from Aetherdrift Promos (PDFT), collector number 121p. Current market price: $0.37 (foil $0.60), TCGplayer market prices via Scryfall.
Exhaust — {R}: Other creatures you control gain haste until end of turn. Put a +1/+1 counter on this creature. (Activate each exhaust ability only once.) Exhaust — {3}{R}: Create a 4/4 red Dinosaur Dragon creature token with flying.