Tasigur's Deathmarauder

Deathtouch, double strike
Morph {3}{u}{b}{g}(You may cast this card face down
as a 2/2 creature for {3}. Turn it face up any time for
its megamorph cost and put a +1/+1 counter on it.)
Whenever Silumgar's Deathmarauders is turned
face up, destroy six target creatures.