Both commanders start in the command zone, and the remaining 98 cards your deck are shuffled to become your library
It is not even close to the top picks in the cube
Broodmate Dragon
To people who are really out of the loop, the Pokemon Trading Card Game is a real physical thing that I played in real life almost two decades ago, if not more (I retain no useful memories of it)
In Commander it goes in angels decks, especially those led by Akroma, Vision of Ixidor and a partner in the key color(s), the particular kind of control decks helmed by Elesh Norn, Grand Cenobite, and as a nice piece of the Alesha, Who Smiles at Death puzzle
Youre likely going to need your first four or five lands anyway, but what about the sixth