The Angel of Ruin

Begin the game with this card revealed.
All players starting life total is 10 instead of
its normal amount.
Double all damage and all creatures gain
double-strike, deathtouch, haste but lose
flying and lifelink.
When one player is eliminated, they select
another player; both are eliminated.
As long as this role is present, all win conditions
are denied and maximum hand sizes becomes 1.