It however is still considered to be in exile and not on the battlefield or your hand, meaning that there are much fewer ways for your opponent to be able to get rid of it before you can cast it
In a multiplayer format like Commander, this is a very likely scenario
Arcane Infusion Blinkmoth Infusion Bloodfire Infusion Cloak of Confusion Confusion in the Ranks Dawnglow Infusion Diffusion Sliver Essence Infusion Flowstone Infusion Fusion Elemental Highspire Infusion Increasing Confusion Null Profusion Nyx Infusion Profane Transfusion Rime Transfusion Venser's Diffusion Wall of Diffusion
I imagine this commander often plays like a Storm deck, pumping mana into the second ability before finishing the table with a flurry of triggers from creatures like Firebrand Archer and Kessig Flamebreather
Being able to maintain parity might be all you need and having a card that can keep you a bit safer early on and then go on to lock someone out of the game entirely is nice, it just requires fairly specific decks
By all measure, shes a competent go-wide commander whose Unquestionable Wisdom provides a +1/+0 buff and vigilance to the rest of your forces