Use protective sleeves, store them away from direct sunlight, and handle them minimally to preserve their condition
That being said, it can be more likely that less frequent players could find the deal much more reasonable , or those who build specific-themed decks, disregarding set completion
Which one you choose will of course be up to the specific needs of the current game, but it's hard to see a situation where you won't want one or the other
Then, whenever you cast a spell of the chosen type, you put a charge counter on the Door
To get the Excalibur II, players had to essentially beat FFIX in a speedrun, clocking in at 12 hours or less when they got to the room in the final dungeon holding the sword
With so many cards to choose from, people can develop personalised bespoke collections around movie franchises, favourite characters and more