Subgame Suicide

Starting with you, each player votes for Subgame
or Suicide. If Subgame gets more votes, or the
vote is tied, players play a magic subgame starting
at 5 life, using their libraries as their decks. For
the rest of the main game, the winner of the
subgame may copy the first instant or sorcery
spell they cast each turn. That player may choose
new targets for the copy. If Suicide wins, each
player sacrifices 9 permanents.