Reversal Portal

{t}, Exile Reversal Portal: At the end of target
player's turn, reverse the turn order. Activate
this ability any time you could cast a sorcery.
Until the end of the game, player's cannot gain
life, draw from the bottom of their libraries
and cards that go to their graveyards go to the
top of their libraries instead and whenever a
player casts a spell that player loses 1 life.