mtg fireball cards Delayed Blast - CLB Commander Legends Delayed Blast Fireball #676 Holo

The deck revolves around Phelia, Exuberant Shepherd, a little doggy that lets you activate all your enter the battlefield triggers multiple times

Its restricted in Vintage (where it gets to combine with moxen) and banned everyone else, which should tell you something

[3] The format became more widely available than ever before, and it got another surge in visibility thanks to streamers like Luis Scott-Vargas, Caleb Durward, Jonathan "JBro" Brostoff, Matt Grenier and Kenji Egashira

There are plenty of other fan-made games too, and we definitely recommend checking out this cool article on CardMarket about it all, but for us, these are the only times when going beyond four players is any fun, and therefore the only time its worth doing