We are open to changes in rarity and deck construction
As far as not dying to Glorious End, we have two plans: we either sit behind the Gideon of the Trials emblem or, if need be, we can use Disallow to counter the "you lose the game" trigger
If you really wanted to go crazy, you could double down on this strategy via the handy Thebes card which also grants lore for challenging, granted the character must be at the location at the time of challenging
Its not a deck-building game in the typical sense, with deck management perhaps being more appropriate
Refer to the How to Pack Singles section on the instructions page
Lastly, the "One Shall Stand, One Shall Fall" drop consists of "full-art" versions of the five basic land cards, each depicting a different locale on Cybertron