Xytheus, Guard of the Gate

Deathtouch, Trample, Doublestrike
When you cast Xytheus, Guard of the Gate,
choose a permanent type, then destroy a
permanent of that type on the battlefield equal to
the number of muse counters you have.
For each permanent destroyed this way search
your library for a land and put them onto the
battlefield tapped.
The screams that echo beyond the gates...