Nadu, Winged Wisdom is banned in Modern and Commander, the two formats it was conceivably designed for, and a number of other formats as well
Decklist Characters: 3x Atitaya Fang General, 3x Bobby Purple Pigeon, 3x Captain Hook Forceful Duelist, 3x Cri-Kee Part of the Team, 3x Friend Owl Cantankerous Neighbor, 3x General Li Head of the Imperial Army, 2x Grandmother Fa Spirited Elder, 2x Honest John Shameless Schemer, 2x Kakamora Boarding Party, 3x Khan War Horse, 3x Lafayette Sleepy Basset Hound, 1x Mulan Charging Ahead, 2x Mulan Disguised Soldier, 3x Mushu Fast-Talking Dragon, 1x Mushu Your Worst Nightmare, 1x Prince John Fraidy-Cat, 1x Stitch Alien Troublemaker, 3x The Matchmaker Unforgiving Expert, 3x Thumper Young Bunny, 1x Vinnie Green Pigeon, 2x Zipper Flying Ranger
This brought them to what ended up being their solution for the whole debacle: the reserved list
Chrome Mox is one of my favorite innovations from Caleb, and has quickly become one the most controversial sideboard options in ANT
You'll need a lot of protection spells, though, because this commander will be a removal lightning rod
