Because they are excelling better at any point of the game with the strongest skills from the whole roster Tier A A tier decks are the second most powerful decks for Yu-Gi-Oh Master Duel, and they are also excelling the same as the S tier ones with a few lack skills
Like the pirate captain himself, its a force to be reckoned with
Though they are designed as outer sleeves, and pair incredibly well with either a Vault X or Dragon Shield inner, they're more than able to withstand the scuffs and friction of a table and be run single-sleeved if you want
Additionally, you can easily purchase AI Armor Dinosaur Sleeves along with other popular brands like Gamegenic and UltraPro, making your shopping experience more convenient
Vigilance is one of the best keywords in Commander and putting it on fliers is probably the best way to do it
A certified piece of pop culture history for the collector who understands that some items aren't just nostalgic they're foundational