With any wider of a board, which decks playing Norn have ample access to, youre primed to end the game if you can reach that second chapter
Zacama, Primal Calamity Zacama, Primal Calamity would be really impressive if its land untap ability werent tied to casting it, which kills possible flicker shenanigans
You'll also be able to make new decks themed around the Whitebeard Pirates, Animal Kingdom Pirates, and Big Mom Pirates
Draw a card for each card in the delay [suspend] zone
There is a ton about how to navigate Arena, the events and formats that are specific to the client and I'm confident you'll like what you learn
EDHRec.com is a great source for Commander info, and can give you ideas to build your next Commander deck, tune an existing one, or build up your first library from scratch