Retrofitter Foundry 57/307 (Commander 2018)

{3}: Untap this artifact. {2}, {T}: Create a 1/1 colorless Servo artifact creature token. {1}, {T}, Sacrifice a Servo: Create a 1/1 colorless Thopter artifact creature token with flying. {T}, Sacrifice a Thopter: Create a 4/4 colorless Construct artifact creature token.

NM - $4.00
LP - $3.00
MP - $2.50
HP - $1.50
DMG - $1.50