Everything Ive already mentioned gives you a base for how to make your own proxies or where to get them, but making a cube means youre going to need proxies in bulk
1-Mana Color Hosers One-mana color hosers like Pyroblast, Hydroblast, Red Elemental Blast, and Blue Elemental Blast are invaluable in a format with so many red and blue threats to stop cards like Tolarian Terror and Lightning Bolt dead in their tracks
With it, you can start abusing some powerful infinite combos like Animation Module + Krark-Clan Ironworks to make your commander stronger and add infinite mana
A beast of a card, Chernabog, Evildoer gets cheaper for each character card in your discard pile, so it's easy to start pondering up ways to get him out nice and early and start punishing your opponent
Tabernacle is $2800 heavily played
This is a major theme of this color for the Fallout set and the support for it is going to work extremely well both inside the set and in your other decks