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
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
All in all, Trazyn the Infinite feels like a fantastic Commander, so long as you can restrain yourself
Like this: Mystery Booster is like nothing we've ever done before, and we hope the play experience is fun, exciting, and, yeah, a little bit mysterious
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