5 Tyvar The Bellicose Back Up Those Boasts Similar to Ezuri, Tyvar the Bellicose is a fantastic and fairly simplistic Elf commander that is great for smacking around your opponents with some synergistic cards
Should you have utility dorks like Mother of Runes you need to turn those off which is another risk
Similarly, commanders like Yuriko, the Tiger's Shadow can deal higher damage with a higher concentration of split cards
So, Urza, Lord High Artificer is a four mana Blue 1/4 that makes a 0/0 Construct token that gets +1/+1 for every Artifact you control
I think Ive played against it a shockingly low amount of times, far lower than the amount of times Ive died to an Overrun effect
But make no mistake, these disadvantages could be diminished in the hands of a good pilot, and it can steal games in the blink of an eye