Kamorax, the Indissoluble

Each creature spell you cast costs {1} less to cast if
it has mutate.
Whenever an Ooze creature enters the battlefield
put a +1/+1 counter on it.
When Kamorax, the Indissoluble enters the battlefield, create a 2/2 green Ooze creature
token for each ooze creature you control.
Partner