Its hard enough to deal with a seven, eight, or nine-drop on the first or second turn, but to have to do so against the absolute best creature in their deck against you
Defensive interaction, particularly effects which can protect noncreature permanents, are potentially the most impactful of all
If you want to stay up-to-date on future Magic: The Gathering set releases, and to find the latest discounts on Commander precons, set boosters, and other TGC deals, follow the Jelly Deals Twitter account
You can absolutely run Toski as a kindred-based deck, especially since Toski will help keep your hand full and can benefit from effects that boost its power and give it trample, letting you constantly push combat damage thanks to its indestructibility
You can find some of my favorite options below, but depending on what you enjoy, you could take the deck in a different direction, too