Pia, Determined Rebuilder is a uncommon Legendary Creature — Human Artificer card from Reality Fracture (FRA), collector number 250. Current market price: $0.18 (foil $0.24), TCGplayer market prices via Scryfall.
When Pia enters, create a 1/1 colorless Thopter artifact creature token with flying. {5}{R}: Target creature gets +X/+0 until end of turn, where X is the number of artifacts you control.