7 Kazuul, Tyrant Of The Cliffs Steer Clear Of Those Cliffs Kazuul's a pretty compelling deterrent from attacks, since it can generate 3/3s for each creature that dares swing in its direction
It is for good reason, as forcing everyone in a match to need to play a subgame in their Magic game is going to add a ton of time to the match

0.2%inclusion 10.7K decks 4.38M decks Quickbeam, Upstart Ent 0.2%inclusion 10.6K decks 4.35M decks Quarrel's End 0.2%inclusion 10.6K decks 4.70M decks Uglk of the White Hand 0.5%inclusion 10.5K decks 2.19M decks Gorbag of Minas Morgul 0.2%inclusion 10.4K decks 4.79M decks Gimli's Fury 0.2%inclusion 10.4K decks 4.70M decks Gimli's Axe 0.2%inclusion 10.3K decks 4.70M decks Uruk-hai Berserker 0.2%inclusion 10.3K decks 4.79M decks Bitter Downfall 0.2%inclusion 10.2K decks 4.79M decks Lost to Legend 0.2%inclusion 10.2K decks 4.38M decks Stern Scolding 0.2%inclusion 10.2K decks 4.65M decks Shadow Summoning 0.5%inclusion 10K decks 2.14M decks Faramir, Field Commander 0.2%inclusion 9.96K decks 4.38M decks Surrounded by Orcs 0.2%inclusion 9.60K decks 4.65M decks Gollum's Bite 0.2%inclusion 9.49K decks 4.79M decks Legolas, Master Archer 0.2%inclusion 9.49K decks 4.35M decks Sauron, the Lidless Eye 0.4%inclusion 9.20K decks 2.19M decks Aragorn, Company Leader 0.5%inclusion 9.03K decks 1.99M decks Gandalf, White Rider 0.2%inclusion 8.77K decks 4.38M decks Old Man Willow 0.4%inclusion 8.57K decks 2.02M decks Ent's Fury 0.2%inclusion 8.54K decks 4.35M decks Council's Deliberation 0.2%inclusion 8.41K decks 4.65M decks Eagle of Deliverance 0.2%inclusion 8.35K decks 4.38M decks Breaking of the Fellowship 0.2%inclusion 8.32K decks 4.70M decks Shortcut to Mushrooms 0.2%inclusion 8.31K decks 4.35M decks Mushroom Watchdogs 0.2%inclusion 8.31K decks 4.35M decks Oath of the Grey Host 0.2%inclusion 7.98K decks 4.79M decks Tom Bombadil 1.2%inclusion 7.73K decks 635K decks Now for Wrath, Now for Ruin

Q: Will [specific card] be considered [specific category]
If the biggest drawback you're looking at is three in the cost or that it is not legendary and thus cannot be your commander, that's a sign we have a bomb of a vampire
Now let's turn to synergies