Even a card as simple as Erase or Unravel the ther could destroy Jeskai Ascendancy, and the deck would cease to function properly
Memory Jar Unlike most wheel effects, its possible to time Memory Jar such that youre the only person who benefits from it
But, still, it's better than the $120+ market price, which is coincidentally on the rise again
Similar to Porcelain Legionnaire in white, these are two cards that benefit from access to black mana, but that Im willing to put in the colorless section in a Cube because they dont necessitate access to much or any black mana: Dismember was just a game-changing card in Magic, and while Im more likely to use it as an answer to high-toughness creatures in my red decks or meaningful interaction in my green decks, its still high on my list of cards that I like to include in Cubes
If it results in a completely empty battlefield, or pretty close to empty, it qualifies for the list