You may spend any type of mana to cast cards that didn't start in your deck. Whenever The Wheeling Runner deals combat damage to a player, you may discard your hand. If you do, choose four Vintage-legal cards at random. Add those cards to your hand. (The "Random Card" feature on a search site may help.) Ready to run (You can have two commanders if both have ready to run.)
NM-Mint - $52.50
Lightly Played - $47.30
Moderately Played - $42.00
Heavily Played - $36.80
Damaged - $26.30
NM-Mint Non English - $52.50
Lightly Played Non English - $47.30
Moderately Played Non English - $42.00
Heavily Played Non English - $36.80
Damaged Non English - $26.30