In Modern, a Living End deck cant play cards with mana value two or less, because there are only three-drops with cascade available, and finding Living End every time is critical
booster display box provides you with enough cards to significantly expand your collection or customize your current decks.
In an era of mechanics requiring helper cards and commanders with enough text to rival a Stormlight Archives novel, a creature with such a clean text box stands out
Glissa Sunslayer One of the scariest 3-drops in Standard and Cube, Glissa Sunslayer has a disgusting textbox
This is especially useful on a battle because it can allow you to remove a blocker to let you attack the battle right away
Its controller/owner text means that you can also use it to put something your opponent stole from you into your graveyard, but Im getting into the weeds of niche interactions here