Yenna could be well placed to excel in this deck
Hurricane, a card that is supposed to be green, was printed blue
Although the creature count is low, as with most Voltron decks, your commander is all you need
Aside from being a human, which is a very relevant creature type in Commander, Modern and basically every other MTG format, Esper Sentinel is good because it reads: Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays X, where X is Esper Sentinels power. Its a bit like Rhystic Study, but the cost can be far higher if youve got things that make humans stronger or you can put +1/+1 counters onto Esper Sentinel
Likewise, pre-release kits from Adventures in the Forgotten Realms included a randomized d20 instead of the usual spindown die, since the set included die-rolling mechanics
This card pulls double duty as an amazing enabler for both Wizard and Shaman typal strategies, but in a Wizard-focused deck, Harmonic Prodigy is the engine that makes your entire deck hum