It that Consumes All

Mutate {6}{b}{g}
———{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}
Devoid, Haste, Trample
Whenever this creature mutates, create a token
that's a copy of this creature.
{2}{u}{g}: Create a colorless 3/3 Ooze creature
token.