Summoning Sign

Choose someone from outside the game, they
become a player in the current game as your teammate, and thier life total becomes equal to
your current life total. Chose any number of
cards from the top of your library, from your graveyard and that you own from outside the
game. Shuffle them and those cards become that players library. That player draws fifteen cards,
then puts all lands and up to three creatures from
thier hand onto the battlefield.