Enchantment decks can also get very scary, with tons of card draw and value generation, and this might help with the inevitable clunkiness that comes from jamming a bunch of disparate 'You win the game' cards into a single deck
Roar of Resistance Roar of Resistance acts as a token-specific haste enabler, and I can see using this alongside an infinite combat engine that somehow also gives you mana
This inner core gives MTG cards their signature snap and specific opacity
All in all, Trazyn the Infinite feels like a fantastic Commander, so long as you can restrain yourself
The next iteration on the idea was from Alliances (1996), where the Phantasmal Fiend was still black, but the cost for the activation for switching was blue, so essentially while the card was black, the ability was blue, so the effect had already changed colors
Fast mana almost defines Commander, especially as Sol Ring is a stalwart of the format and is also more powerful than many cards that are banned in the format