White also adds the best spot removal in the form of Condemn (for those tricky generals), Path to Exile, and of course Swords to Plowshares
A creature cannot become prepared twice, so no getting two copies of a prepare spell in exile off of one creature
Mental Note + Thought Scour A key part of Tolarian Terror decks in Pauper, Thought Scour and the less flexible Mental Note chuck three cards in the yard for a single mana while replacing themselves
The 8 Commander mythic rares are each available in the foil-etched treatment (3.3%), as well as their non-foil borderless profile versions (6.1%) and traditional foil borderless profile versions (3.5%)
Second idea was to use the same principle with the card dispenser and camera, and use a moving drum which can rotate to take each card in tray and pushes the card in front of the correct bin
At one point he untapped every time you cast a blue spell instead of at end step, but that proved to be a bit too powerful