The three main rules are that each player must have a deck of at least 60 cards, each deck can contain only two Ink types (Amber, Amethyst, Emerald, Ruby, Sapphire, and Steel), and each deck can have no more than four copies of a card in it
The only time the characteristics of the back face really matter is when the permanent is on the battlefield with its back face up
abililty requires the player to return two cards to their hand to successfully deploy her, which can be useful at times but is often a significant loss of board control
Even better, you can save 20% at Amazon, bringing the price down to $19.99
While Deadly Dispute saw tons of Pauper play recently, the card did just get relegated to the ban list