You need shuffle and/or mill effects to turn Guile into card quality and that is hard to do in an ongoing capacity
New cards in Commander are a good thing because they open up new potential decks or strengthen existing ones
[Insert obligatory don't-judge-planeswalkers-by-their-ultimates-in-Commander statement here.] Building a deck specifically to abuse that ultimate ability, like with tons of Reforge the SoulReforge the Soul effects, for instance, seems like a tough battle to try and win
Green creatures often have trample , making them hard to block effectively
Granting all your spells affinity for artifacts is something that is highly breakable, and something with which many an interesting, or distinct thing can be done with across a variety of power levels
The kit contains a chunk of white clay, three small colored clays, and some magnets and screws