While I think a Commander like Sidar Jafar of Zhalfir is a little more constricting in terms of deck design compared to a Commander like Y'shtola, Night's Blessed, I do really like all the intricate synergies you can include in a Sidar deck You also have multiple ways to protect your board state from sweeper effects, like Knights' Charge and Guardian of Faith
Red is usually paired with blue, that can support the monkey with Countermagic
To top it all off, because its a two mana creature, you can even bring it back from your graveyard with Lurrus of the Dream-Den
It has huge upside in an Izzet artifact or storm deck and could very easily pop off if you have enough cheap artifacts
For me, it's the online play that's where it's at - and that's also the core of why I've fallen a little ungracefully for Pokmon TCG Pocket despite my own initial reservations
in this case, the memories of Pikachus first cardboard appearance win