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 - $44.600
Lightly Played - $35.700
Moderately Played - $31.200
Heavily Played - $26.800
Damaged - $22.300
Near Mint Spanish - $44.600
Lightly Played Spanish - $35.700
Moderately Played Spanish - $31.200
Heavily Played Spanish - $26.800
Damaged Spanish - $22.300