Piles (aka Hack's Ass) Magic rules

Piles is played with a single spell library and graveyard a separate land library among all the players.
Players start the game being delt 7 card from the common library
Players look at their cards and choose 2 lands from the land library to start play with.
play procedes according to normal multiplayer magic rules. No range of effect rules.
Optional each player contributes 1 card to the common library at the beginning of each game.
Card rules:
no cards that search the library; this takes too long, cards that search the land pile are fine. Cards that deal with the top X cards of the library are fine.
no cards that say you win.
target players' graveyard = common graveyard