Because it is logical that the rarest cards in the world should be sold at a matching number
Night March blew up the format, Battle Compressor sped things up, and VS Seeker made comebacks too easy
Triggering your power-matters cards with tokens is tough but not impossible, especially with green
(3/8/2024) If the creature card you scavenge has in its mana cost, X is 0
In Boros Energy, specifically, it fits perfectly into a game plan that wants to apply pressure quickly, build out the battlefield, and punish opponents for stumbling even a little
2 Emet-Selch, Unsundered/Hades, Sorcerer Of Eld From FFXIV Fill Your Graveyard, Then Use It As Your Second Hand Though Emet-Selch won't completely eradicate the board like a Rejoining eradicates a world, he can be dangerous if allowed to go unchecked for long enough