A Cube that cares about historic at all probably has some way to exploit Clues, and really, just sacrificing them to draw cards is a pretty good exploit
Can struggle against opponents who minimize draw or win without relying on cards in hand
Defiled Crypt // Cadaver Lab Defiled Crypt Three generic, one black enchantment Room Uncommon (You may cast either half
When this enchantment enters, if it's on the battlefield, it becomes an Aura with "enchant creature put onto the battlefield with Necromancy." Put target creature card from a graveyard onto the battlefield under your control and attach this enchantment to it
For one thing, not having to enchant a permanent is huge, as your foe cant remove it in response, and the ability to duplicate any nonland permanent you have as opposed to just a creature or artifact is massively strong
With it, you can get all the knowledge you need to profit most from selling cards