mtg commander deck holder AFIING Box 200 Double Sleeved Cards Storage, 3-in-1 Magnetic Card Case Organizer for Magic: The Gathering TCG CCG, 4 Dividers & 2 Toploaders (Black/Orange) : Toys & Games Toploader Card Case with 4 Supporters Card Caddy Pastel: MTG Commander

Despite Grixis Shadow being currently maybe the strongest deck in the format (thanks to Lurrus obviously) I think Deaths Shadow is not the correct way how you want to approach your tempo deck in the future

4 Andril, Flame Of The West An equipment to declare your rule over the battlefield, Anduril, Flame of the West comes from Middle-Earth to summon Spirits to join your fight

Memories Returning is essentially a draw three for 4 mana, which is particularly good in the blue/red archetype

The white version of Guardian AugmenterGuardian Augmenter, whichever creature spinning the Dancer's ChakramsDancer's Chakrams will be your commander's best friend, be that the 1/1 Hero token or something else