Ban the Unkillable

(X is always this Cards CMC)When this creature
ETB's every opponent sacrifices X creature
And/Or lose X life where X is this cards CMC
{x}{p/b}; all black creatures gain deaththouch until
removed from the battlefield
{x}{p/w}; all white creatures gain lifelink
until removed from the battlefield
Pay X life Sacrifice this creature; all creatures
you control have protection from everything
until the end of your next turn