Marit Lage, Dominaria's Ruiner

Marit Lage, Dominaria's Ruiner is an Island and
a Swamp.
When Marit Lage, Dominaria's Ruiner enters the battlefield, you lose the game unless you pay {7}{u}{u}{b}.
Flying, Indestructible
When Marit Lage enters the battlefield, exile all
non-land permanents.
{4}: Exile another non-land permanent.
{6}: Exile another permanent.