Sultai Arisen cares about interacting with the graveyard, and a very powerful Commander is offered to accomplish this
This is offset with the Harrowings, where Valgavoth emerges with a fresh body
Connive may have been created as a mechanic for a specific group from one Magic set, but I think it will show itself again in the future, perhaps with a slight twist
You could write a book on counterspells (Counterspell stops everything, Remand for tempo-draw if your opponents tend to play large spells themselves, Daze if you need the speed, Dispel is crazy good at protecting your stuff, etc)) We've also got nutty bounce spells like Echoing Truth, the classic Unsummon, and the mother of everything: the Cryptic Command Since we're red I am somewhat perplexed that we aren't running 4x Lightning Bolt
Fill out your own regional Pokdex starting with first partners Snivy, Tepig, and Oshawott as foil promo cards, and then find more Unova Pokmon inside booster packs from the special Scarlet & VioletBlack Bolt and Scarlet & VioletWhite Flare expansions