Let's dissect each of those upsides
The second half of Season 3 examines what happens when the Idiot Hero who duels for fun is pitted against Chessmaster extra-dimensional invaders who duel to the death, manipulate the hero rather than throw minions at him, and use his friends as antes
See the resemblance on every card in Mirrodin
Four will be rares, one from each of the sets remaining in Standard ( Zendikar Rising , Kaldheim , Strixhaven: School of Mages , and Adventures in the Forgotten Realms ), and the remaining six will include five rares and one mythic rare from Innistrad: Midnight Hunt
Thats around half as many cards as a premier set, but without any draft chaff to skim through
Every card in your graveyard and every additional mana beyond BBBB you spent gets you a point of damage thats pretty ridiculous, once you think about it