Chromatic Star, from Time Spiral Demolish, from Odyssey Flamewave Invoker, from Legions Fog Elemental, from Weatherlight Rule of Law, from Mirrodin Cho-Manno's Resolve (White) Evincar's Tyranny (Black) Arcanis's Guile (Blue) Molimo's Might (Green) Kamahl's Temper (Red)
While this will mostly be relevant in casual play, it's worth pointing out that if you have a Naban, Dean of Iteration on the battlefield, every Wizard that enters the battlefield will trigger Warstorm Surge, Fathom Mage, Angelic Chorus, and Purphoros, God of the Forge (among others) an additional time, which opens up an entirely different layer of deck-building potential that was missing with Panharmonicon, which only triggered abilities on artifacts and creatures
Wall of Denial If your plan is to swing with Defenders, Wall of Denial is one of the scariest: an 8-toughness, flying Defender that can't be targeted
Another interesting aspect is that, although this is a 5-color commander, you can easily get away with building this deck with only a few colors, even none if you want
Outside of Magic the Gathering communities, it is commonly believed that there will always be a surplus of Black Lotus cards in play
Bant/Brokers is a good color combination for adding counters and playing some politics, regardless of exactly how you do it
