Evincar III, Rathi Flagship

Cummulative upkeep —Add {e}.
Fortified land has protection from everything and
has "{r},{t}, Pay six {e}, Return Evincar III, Rathi Flagship to its owner's hand: Destroy target land.
This land deals 20 damage to each creature and each planeswalker."
Fortify {3} or reveal a legendary creature card from
your hand.
During the overlay, Crovax's Stronghold was supposed
to emerge inside an Urborg volcano. In another
timeline, the Rathi invasion had a bit more firepower.