By breaking the legend rule for spiders, it lets you pile multiple copies of the same Spider-Man on the table, which normally wouldnt be possible
There are an absolute TON of options you can pursue when building a Commander deck, and this is often why people who enjoy the format continually find themselves building new decks
I dont really need to explain more about how to use it twenty years of tournament-winning Loam decklists should be sufficient testament to its top-tier power
But it is still a pretty big deal mana-wise, especially when you want to grind out value or protect yourself in longer multiplayer games
Smaller, but still notable, card games like One Piece and Flesh and Blood also have sets slated for a June release
Honorable Mention #2 Pools of Becoming This Teferi's Puzzle Box for everyones end step is annoying