mtg exodus booster box Wizards of the Coast Archives - The Toyark ~~~~ This March of the Machine Commander Deck set includes 1 ready Exodus Booster Pack - Factory

The Scene Boxes on the other hand still seem to be available for around $40-60

For singles, theres always sites like Amazon (you can also get other cards like Pokemon or Yu-Gi-Oh

Enigma Sphinx Cascade lets Enigma Sphinx cast a free spell as soon as you play it, helping swing momentum right away

Having a way to combo off and generate absurd amounts of mana in the command zone that also has a win condition stapled to it is firmly in the high end of Bracket 3 or just straight up Bracket 4 or higher, based on the cards you end up including in the deck

Right off the bat, you get two power across two bodies at instant speed, and get to deal one damage to any target