A bidding war began before the card was even discovered, and had escalated all the way up to $2 million (plus a paella) before it was eventually found
But doing so requires the destruction of New Domino City - which he attempts to do using "Meklord Astro Mekanikle", a monster more powerful than every Meklord Emperor
The deck then adds a number of powerful demons with other strong secondary abilities including Aspiring Champion (cast off the top of your deck, direct damage), Bringer (sacrifice/reanimate), Crabomination (steal spells), Demonlord Belzenlok (draw), Doom Whisperer (surveil), Dream Devourer (foretell, buff), Harvester of Souls (draw), Kothophed (draw), Orcus (removal/reanimate), Overseer (removal/creature tokens), Rakdos, Showstopper (removal), etc
That said, Plum lacks depth in the power department
Back in the late 1990s, when I first started playing MTG, the Underground Sea was already making waves