Even if you never flip this card, theres good reason to build around him or include him in a deck
Unlike commanders who lock down the board, Yidriss chaos is proactive and personal, accelerating his own game plan rather than stopping others, making him a more socially acceptable entry point into the archetype
And then you get to tutor for the colors you are missing or low on
The current Orzhov Midrange archetype is a dedicated blink deck, full of permanents with powerful ETBs like Solitude and White Orchid Phantom, which work perfectly with Phelia, as well as other blink cards like Flickerwisp
Great all around
Therefore, you keep most of the typically wrath-weak cards stay, and it can be pretty reasonable to wait for them to make bad choices on attacks or casting spells before committing to a March of the Multitudes