You may choose not to untap Tawnos's Weaponry during your untap step. {2}, {T}: Target creature gets +1/+1 for as long as Tawnos's Weaponry remains tapped.
When Urza's war machines became too costly, Tawnos's weaponry replaced them.
Near Mint - $700
Lightly Played - $600
Moderately Played - $500
Heavily Played - $500
Damaged - $400
Near Mint Spanish - $700
Lightly Played Spanish - $600
Moderately Played Spanish - $500
Heavily Played Spanish - $500
Damaged Spanish - $400