8 mana is uh, a lot
Recursion, Tutors and More In my opinion the above categories are the most important to be thinking about while building a deck, but there's three more types of cards I wanted to discuss
High Score High Score isn't the best enchantment for +1/+1 counter strategies, nor is it the best green enchantment that draws cards
With 35 creatures in total, it's heavy on aggression, but many of these creatures have devastating abilities or near-broken utility for their cost (looking at you, Flamebraider), so there's a nuance to the deck, too
The deck is helmed by Kilo, Apogee Mind
This means, for example, that you can't target two creatures and assign them two and zero counters respectively