Cards with cycling seem great here, like Lrien Revealed, Treacherous Terrain, Boon of the Wish-Giver, or Decree of Savagery
New Pokemon sets drop on scheduled release dates, and GameStop receives allocation around those dates
I personally prefer when a decklist has a wider spread of value (like here) than it being concentrated in just a couple of cards
The really useful and actionable part of this theory is simply that we can assign killing the opponent and winning the game to some number of cards
(If this card is your chosen companion, you may put it into your hand from outside the game for as a sorcery.) Flying When Yorion enters, exile any number of other nonland permanents you own and control
The Mirror Mastery deck is the only one among the Commander 2011 releases to contain a planeswalker card