The deck's commander, Firmuth, Sage of Corrosiveness, is a perfect example of this strategy, as he gets stronger as you mutate creatures under your control
Then for chapters two and three, you get to double the number of each type of counter on a creature you control
It does have to be a personsorry, Whiskers
Even though the hits are completely random with Minds Desire, you only need to dig a few cards deep to all but guarantee you hit something good
So, Wizards made the partner mechanic, which lets you have two legends in the command zone, as long as they both have partner
Higher-power decks can also include Thassa's Oracle or Jace, Wielder of Mysteries for their own win conditions, which incidentally means that milling an opponent out could mean that they win the game