The first thing you should do before starting to build it is make sure that the tribe actually has the support to make it workor, if it doesn't, know how you plan to maximize that support
Hour of Devastation Hour of Devastation introduced the eternalize mechanic
This can combo with Twinflame to produce infinite hasty tokens
We've added a ton of sweet planeswalkers to the deck, all of which care about running lots of, like Domri, Anarch of Bolas
This TMNT Commander deck seems to take this on board, and while it will surely play fine straight out of the box, it's primed for upgrades as time goes on, especially if you choose to reduce the number of colors in the deck and only build around one or two of the included Commander-eligible cards
Perhaps most interestingly for long term fans and collectors, these Special Edition boosters will contain cards with an entirely new type of foil treatment and each booster will have between 5 and 6 cards of this type