The goal is to keep them either cheap, or midde-cost with big effects
Not only that, but when black vise is legal, you build your deck knowing that you need to deal with turn 1 black vise
Theres one thing we should keep in mind here: There are various different ways of making the game insufferable
The plane is focused on invention and mechanically cares a lot about artifacts
(It's an artifact with ", , Discard a card, Sacrifice this token: Draw a card.") Legendary Creature - Vampire Rogue Keskit, the Flesh Sculptor , Sacrifice three other artifacts and/or creatures: Look at the top three cards of your library
She can put a big dent in an aggressive players tempo and she can single handedly own the slower decks