mtg march of the machines commander decks list with the exception of basic lands Ranking All Commander Precons from

Additionally I have several powerful songs in this hand

It was literally banned before the Pro Tour was even invented

The two introduced here, Fang and Vanille, are also burdened by the weight of their destiny

Especially if youre running some of the other Ward granters like Coppercoat Vanguard and Flowering of the White Tree, you can give yourself quite the impenetrable board

There may be others out there, but these are the big ones: classified ads (of which Craiglist is likely the most popular), Ebay, and your Magic social circle (this includes Facebook groups, friends, local gaming stores, and players in your local area)