Josie, Primal Hunger

Josie, Primal Hunger costs {x} less to cast, where
X is the total power of creatures you control.
Trample
When I am hungry, I speak. When I am fed,
I speak. When I am not the center of attention,
I speak. When you pet me, I speak. The world
is under this paw. May these wings take me any-
where (among the confines of this castle, of corse).