Hail, Caesar (Red-White-Black) : There's also the Hail, Caesar deck, featuring the franchise's infamous Caesar as your commander
In that case, they perform as much of the action as is possible. If you point a Lightning Bolt at your opponent, and you have Davros, Dalek Creator in play by your end step, your burned foe will have to face Davros' villainous choice
The most broken card of the year broke the game in a more literal way
A 1v1 digital game has no use for an ability that requires multiple opponents
There are a bunch of other, much more fringe-y combo decks that could use Tyvar as well and its not impossible that it shows up in a fair Abzan Stoneblade style deck where being able to reanimate things like Dauthi Voidwalker and Stoneforge Mystic and activate them right away seems quite powerful
Nonetheless, I like this card and think its a great casual commander