With enough pieces lying around, Tony Stark lets you maximize utility artifacts like Ugin's Nexus to get double the value
Future sets could print more towns, making this a more viable option, but as of now, this commander's second and third abilities aren't as relevant to most builds
Once it makes its way onto the board it is a virtually unstoppable infecting, indestructible machine.
Now then, onto the proper list of the best discard commanders
Toss in a few creatures like Writhing Necromass and Huskburster Swarm that you can cast for substantially less than their mana value, and you have the start to an interesting deck
[11] To correct another oversight, a portion of the rare cards from Ice Age were added to the Reserved List