The biggest constraint of Archmages Charm is, of course, that triple blue requirement
Thats pretty damned strong
I will be playing an entire League with the challenge deck, tweaking it a bit, and then playing another League right after
[5] Older Legendary cards are printed regularly (no extra gloss or gold foil)
These cards may be unwanted, having been acquired when buying boxes and booster packs in search of other cards, or they may be old cards that you dont play with anymore as you acquire the newest sets to construct decks
Id like to try this in my Shiko and Narset, Unified deck, but the more apt spellslingers have no doubt much grander plans for this one