He's a dice rolling MTG commander, who wants you to be throwing down as many dice as possible to generate treasures and 3/3 Robot tokens
Legacy, the format with [card]Force of Will[/card], [card]Wasteland[/card], [card]Show and Tell[/card], etc
You can also try to incorporate Summon synergies with Garnet, Princess of Alexandria, Summon: Choco/Mog, and Summon: Fat Chocobo, all of which would work fine in a GW go-wide shell
Zone or 99: Zone Gimli, Counter of Kills This guy can really hose aristocrats decks, as well as go-wide decks
Those are Storyborn, Dreamborn, and Floodborn
This five drop 5/5 on curve Naya colored dork gets bigger as more Auras are added in size, and that's card disadvantage if you kill it, but not without jumping through some targeted restrictions first, and you can Edict them, but they'll sac another dork, or Damnation the board, but respond with Heroic Intervention or just give it an indestructible Aura