(Or even reach if you just want to block flyers)
There are a number of reasons for this: Its very manageable to upgrade them and keep the decklists updated I can play them frequently and see new cards more frequently I can keep fresh on play patterns and sequencing so I can play faster I can ensure they are all doing something different The last one is super important to me keeping my decks as fresh as possible, and not overly relying on the same cards or play patterns
Any card without an expansion symbol has to be from one of the pre-Sixth Edition base sets: Alpha, Beta, Unlimited, Revised, Fourth Edition, or Fifth edition
Payoffs like Cauldron like good enablers, things like Steel Overseer are not good enough
There is a customizable label on the top of the box for personalization and record-keeping
They cant be opened in Promo Packs, Value boosters, or any of the other booster types out there