Scarcity and thematic punch made it a rippers dream
Starting at 2,500 attack, Chaos Archfiend gains an additional 2,000 attack if a card was banished that turn, and allows you to attack all your opponent's monsters, banishing any monsters that are destroyed by battle
Every single Pokemon from the Unova region appears across these two sets, split roughly in half across each product
Or to the upcoming Eternal Masters to get their hands on hard-to-find cards or sweet foily goodness of old classics that were unavailable before
Over the last few years, Reserved List cards have been increasingly targeted by speculators and vendors as inventory worth stocking in pursuit of theoretically easy future gains
The third trick, which shows up on Glory-Bound Initiate, is to do what we call "inverse addition," where you take two different numbers for power and toughness and then have the boost be those two numbers swapped