Building Around Gix Gix is a pretty simple commander
The Final Fantasy Universes Beyond set chose to represent crystals as a new artifact cycle, which combine useful cost reduction with powerful passive and activated abilities
Grass Energy Another staple of the Pokemon franchise, when Grass Energy types come to mind, its hard not to immediately think of Pokemon such as Bulbasaur and its evolutions among many, many other classic pocket monsters
Mimic's more limited than the average clone since it can only copy your own creatures, but it costs a mana less than most, and it plays well with Rogue payoffs
It should be noted however that Neo Exdeath is far more cumbersome to kill than Veritas in the first place, as you really want to use only one targeting effect to keep your own losses in check, which is quite a limited selection with him having 10k Power