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.)
Near Mint - $49.50
Lightly Played - $39.60
Moderately Played - $34.70
Heavily Played - $29.70
Damaged - $24.80
Near Mint Spanish - $49.50
Lightly Played Spanish - $39.60
Moderately Played Spanish - $34.70
Heavily Played Spanish - $29.70
Damaged Spanish - $24.80