Rhonas's Last Stand

If you were to loose life that would cause you to
lose the game, instead prevent all damage that
would be dealt to you this turn, Each player flips
a coin, whoever lands on heads gains 10 life,
shuffles their graveyard into their library, and
draws seven cards. Whoever lands on tails looses
10 life, discards their hand, and exiles all cards
from their graveyard. If you were to land on tails,
instead you may be dealt damage this turn as
though you didn't have "Prevent all damage that
would b