cOuNTeRspELl Wizards of the Coast knew exactly what the MTG community wanted with the new Counterspell, but instead of putting the best variant in a normal Secret Lair, they made it a bonus card instead
It also buffs your Rogues by rapidly milling your opponent and gaining potential card draw
Blasphemous Act lets you reset a board state thats gotten out of control, or end a stalemate, and that can be valuable in games, and it will kill virtually everything, and also penalizes your opponents for overextending on creatures
Nurgle can be found in his natural, swampy habitat thanks to the black cards in the deck, and Khorne's bloodlust is shown off through red cards like Khrn the Betrayer and Knight Rampager, who simply have to attack if they're able
Vanquishers Banner Getting an anthem effect isnt what you want from a 5-mana artifact
I remember this being one of the few singles I bought as a teenager, back when traveling to the nearest game store involved printing out the address with a map because we didnt have smartphones in our pockets