While the Mite tokens can't block, this hardly matters when you have a ton of them
Plus Cosmic Hunger also targets planeswalkers and battles, so the additional eligible targets massively adds to its flexibility
With just one or two enablers, Ghave can spiral into infinite loops with ease
I used this one (second one from the left) on Gisela: Using the gradient tool can be tricky so you may want to look up a proper guide on how to use it
There are cards that overlap and play well with both elements of the deck (like the face commander), but also plenty of cards that work best in one direction or the other, not necessarily both
If its on the reserved list and wont ever be reprinted, that further increases its price since its supply is limited, regardless of increasing demand