Go ahead and run a few ways to nuke graveyards, like Soul-Guide LanternSoul-Guide Lantern and Rest in PeaceRest in Peace, to help you out against graveyard decks in case you have to deploy your commander before your big, life-gaining, game-winning turn
This double-sided playmat showcases the duality of Emet-Selch, Unsundered and his fearsome form as Hades, Sorcerer of Eld
The "Blizzara" mode is a good removal spell we see in every set, and this has the upside of being a solid bounce spell early and a more powerful removal spell late
Mechanically, it is more or less a rework of Rapunzel - Gifted with Healing from The First Chapter, carrying almost the exact same effect, but as an action card, and being potentially slightly less flexible in real play
This one can make treasures, but the coin flip is pretty bad
Now comes the question of figuring out how to fit an entire video games story, characters, and themes into a single deck and the carefully balanced restrictions of Magics five colors