Soul of Wargate

{x}{g/u}{g/w} Discard Soul of Wargate : Search your
library for a permanent card with mana value X
or less, put it onto the battlefield, then shuffle.
Flying, Trample
When Soul of Wargate enters the battlefield,
destroy up to three other target nonland
permanents. For each of those permanents,
its controller creates a 3/3 white Angel
creature token with flying.