Description
dice cards mtg 6pc Pack Positive Counters White +1/+1 for Magic: The Gathering – Kraken Dice Accent Color:Volt Yellow How Many Booster Packs Reveal cards from the War of the Spark
How Many Booster Packs Are in a Box of Magic: the Gathering Cards? - Draftsim
With this in mind, it seems unlikely that Glorious End will show up in the main deck, but it could be a sideboard option for specific matchups (it's a hilariously effective way to win the mirror)
War of the Spark
Accent Color:Volt Yellow
Long story short, they messed up and are sorry
Reveal cards from the top of your library until you reveal a creature card with mana value equal to the result