We also have The Soul Stone, the big powerful collectible of the set, and probably a sign that we aren't going to be finished with Marvel for an awfully long time
Choose a commander you enjoy, define a clear strategy, add 7-10 win conditions, add the core components (draw, ramp, removal), build a 36-38 land mana base with color fixing, then playtest and tune the ratio
Individual planar deck: The first player gets to reveal the first plane from their own deck, and when anybody rolls the planeswalker symbol, they move on to the top plane of their own Planar deck
That said, with such a scarcity of common payoffs, drafting blue-red comes with some risk
711.9a If a checklist card is used, the double-faced card it represents must be set aside prior to the beginning of the game (see rule 103.1a) and must be available throughout the game