That has a lot to do with how the franchise swept the whole world in Poke Mania and the great marketing through several different venues, ranging from anime to mobile games, and adding more with each installment
Stardust Warrior can Synchro Summon any other Level 8 or lower Warrior Synchro Monster from your Extra Deck without using any Synchro Materials
Commander is a Magic: The Gathering multiplayer variant and has developed into one of the most popular ways to play Magic in recent years
I get it's for the sake of the cycle, so this is an observation and not a criticism, but that might be the most niche text this side of "can't be blocked by Saprolings"
Of course, the classic Sun Titan makes an appearance too
There is no way to possibly cover every single deck in significant depth, nor can I even briefly mention the large number of Tier 3 / Rogue decks that I've seen lists built for