Yes, part of that is related to the search for the One of One Ring, but its also due to the popularity of this IP
If you think Ob Nixilis is going to end up being banned, itd be worth it to pick up a playset of Falco Spara now (while it is super cheap)
The deck is designed to offer a high power level, but meanwhile offers a fun and straightforward play style
your commander is gonna be 1-2 punching people, doubling your mana is gonna waste a turn, and you cant do alot with the mana other then empty your hand, and then you get boardwiped and your sent back to your childhood
These are often green, with Seedborn Muse being the gold standard, though Wilderness Reclamation works well
Additionally, while a fully cat-themed deck may not be super powerful, cards like Ocelot Pride and Cauldron Familiar show that some cats can be pretty strong