After enough people pointed this out, Paul decided to check on the cards with the BCE himself, and documented his quick trip to Chicago to open and verify the sealed boxes
One possibility is to cast Apocalypse, a card that gets rid of everything, including your hand, leaving you only with Barren Glory, but that needs to be done on your upkeep, so there are options like Leyline of Anticipation or Emergence Zone to give these spells flash
Thanks to its stats, it becomes very difficult to remove with burn spells, forcing removal spells that destroy creatures to be used if the opponent wants to get rid of them
Youd like to play this red enchantment with commanders that have a built-in mana sink, or commanders that use the mana to create more creatures, creating an infinite combo (Sliver Queen, for example)