one piece booster box 12 Legacy of the Master (OP-12) - Japanese Focused on attribute and event OP-12 Legacy of the Master

A proxy cube is a cube made from printed play pieces so you can draft a curated environment without chasing down every original card

Commander's inflated life total makes the drawback of losing life to draw cards a little less 'oops I might have killed myself', and the ring being indestructible means that your opponents need exile effects to stop you from drawing increasingly more cards

The Great Sleep Necron Dynasties is good deck to buy if you're starting out in the format or if you're a more enfranchised player looking to have a precon to keep together

To be fair, the Apocalypse foil already has a pretty high premium

Arvinox, the Mind Flail Arvinox, the Mind Flail is a List rebrand of Mind Flayer, the Shadow from Secret Lair X Stranger Things