The spawn rate of Pikachu wearing his hat was way too low to make that a hunt that could define the event, and the evolved spawns in the wild like Slaking and Dragonite no longer bring the excitement that they did in the past now that we've been grinding Candy for years
Sauron's most flavorful ability lets the player discard their hand and draw four new cards, mimicking Sauron's losing a finger to Isildur and being left with only four
Double-Edged Sword There are tons of cards that boost your attack by 300, 500, or maybe even 1000
You can quest for a single, measly lore
I know people who get way too excited when it pops up in a Standard set because they can build yet another Fling deck
I also included a small "Reptilianne" engine (shoutouts to Loukas Peterson for the original idea), which allows for more searches, swarming, removal and stat reduction