Having zero lands that enter the battlefield tapped means you have fifteen sources of green mana on turn one, which makes both Elvish Mystic and Experiment One much better than in other versions
Armored Mewtwo #SM228 (Pokemon Promo | Pokemon Cards) prices are based on the historic sales
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
And youre off to the races if there are opponents creatures to target or something to combo with the life loss
So, let's talk briefly about the likelihood of that happening