This cube is for the sol purpose to use my collection in its entirety.

Few rules override:

• The prismatic Piper can be partnered with any commander
• Split cards can be treated as only 1 of the colors in its cost
• All Planeswalkers can be commanders
• Double Faced cards have color identity of the front half
• Creature that produce mana have the color identity of its casting cost
• If a card has an ability which required the payment of another color from its casting cost, its identity is both those colors
• Your sideboard is the additional cards drafted (See 'Karn, The Great Creator')