So, let's talk briefly about the likelihood of that happening
Dawn is a situational card if you need 1 Energy to attack with a Pokemon, you can move an Energy from your Benched Pokemon to the Active one, making it easier to go for attacks without waiting a full turn
Since this is such a mill-heavy strategy, I also included Relic of Progenitus in the list in case an opponent is playing an Ulamog, the Infinite Gyre or Kozilek, Butcher of Truth somewhere in their 99
We scoured the Pokmon TCG Pocket meta to find the best decks in the game
Other great inclusions are: Soul's FireSoul's Fire as way to deal damage without sacrificing our commander, and Chandra's IgnitionChandra's Ignition as a way to kill everyone (hopefully)
An effect that checks whether you control your commander is satisfied if you control one or both of your two commanders