I just wrote an article on how to build a treasure-centric deck as one of the strongest possible Commander archetypes
The token copy will have Copy Catchers's abilities and will be able to create copies of itself
Altar of the Goyf Barrowgoyf Chimney Goyf (playtest) Cosmogoyf Lhurgoyf Necrogoyf Nethergoyf Polygoyf Pyrogoyf Subgoyf (playtest) Tarmogoyf Tarmogoyf Nest Urborg Lhurgoyf
If you just Brainstorm without a shuffle, youre not getting nearly as much value because youre locked into re-drawing the cards you tucked away
Sacrifice creatures that make tokens when the die, like Infestation Sage and Nesting Bot, to Bartolome del Presidio or Zahur, Glory's Past, hopefully with a Sephiroth, Fabled SOLDIER and / or Elas il-Kor, Sadistic Pilgrim and Vengeful Bloodwitch on the battlefield to drain the opponent out of the game and gains tons of life
Im not ashamed to play one, but even a slower format like this still rewards efficiency