There's only a handful of reasons why you use this card: It's generic, it's cheap to afford, you have room in your extra deck, and it's 2600 ATK gets over a lot of level 5-8 monsters
Use penny sleeves for: Every raw card that enters the collection, no exceptions Sorting and organizing out of product breaks The first layer before a toploader, semi-rigid holder, or one-touch Binder storage where you want a buffer between the card and the page Any card going to a grading company (PSA, BGS, SGC, and CGC all require it) Where they stop being enough: anywhere the card needs structure, pressure resistance, or long-distance travel
Official Tournament Stores also host Dueling events on a regular basis, where you can put your new Deck to the test
It allows multi-millionaires to rent out entire cities or islands for the purpose of massive tournaments, and utilize cutting edge augmented reality technology just to play the game