The "old" Isperia. Kinda goofy to build around.
Lots of Flying creatures for Isperia to tutor for
Ways to look at opponent's hand / reveal opponent's hand (to know what to guess for with Isperia's ability)
Bounce effects (because then I'll know it's in their hand, for Isperia's guess)
Hose non-Flyers (Moat, etc.)
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Click here for my EDH Commander decks