Karsus, lord of Toril

{w}{u}{b}{r}{g}: Gain an overwhelm counter.
{w}{u}{b}{r}{g}{x}: Remove X overwhelm counter,
if X is less than 10, exile one non-land permanet
for each counter removed this way.
If X is greater than 9, exile Karsus, lord of Toril,
then exile each non-land permanent you don't
contol, you lose the game at the start of the next
turn.