Azathoth, Evolved Parun

Whenever a nonmutant creature you control
leaves the battlefield create a token that's a copy
of that creature except it's a mutant in addition
to its other types.
Return Azathoth, Evolved Parun to it's owners
hand: Whenever you cast a spell this turn each
opponent reveals the top card of their library
until they reveal a land card, then puts those cards
into their graveyards.
Azathoth, Evolved Parun enters the battlefield
with X +1/+1 counters on it.