April 4, 2020 MTG Arena Sealed Cube. See other cubes for more up-to-date Arena Cubes. This cube is listed for posterity, as MTGA’s first attempt at bringing cube to their client. This was before full-human draft pods were implemented! The technology just wasn’t there.

June 12, 2020 Arena Cube Sealed
https://cubecobra.com/cube/overview/mtgarena

April 4, 2020 Arena Cube Sealed
https://cubecobra.com/cube/overview/arenacubesealed2020

April 2, 2021 Arena Cube Human Pod Draft
https://cubecobra.com/cube/list/arenacubekhm

Below is the full card list for the Sealed Cube! Names are sortable by clicking their header. You can also narrow your search by
typing all or part of the Card Name into the Search box, then sorting within those results or by viewing each color independently.
There is a currently a total of 555 cards in this cube.
https://magic.wizards.com/en/articles/archive/magic-digital/mtg-arena-cube-sealed-card-list-2020-04-03