Rather than purely collecting cards, competitive players are collecting them to be used in the G or Game part of the TCG
The '1 of 1 Ring' card is a traditional foil card specially printed in the Black Speech of Sauron using Tengwar letterforms, and is serialised 001, with intricate artwork of the One Ring
The gameplan is simple: play double creature effects, play non-creature spells, storm off, go infinite, destroy your opponents
Creatures with shadow cannot be blocked except by creatures with shadow, and cannot block other creatures unless they have shadow, which fits given the nature of the Unseen world in Lord of the Rings
This probably is due to the sheet being organized more regularly, eliminating to a large degree duplicate rares and holos from booster boxes
45 Energy cards