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
With it, you can get all the knowledge you need to profit most from selling cards
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
When it dies, you may put its +1/+1 counters on target artifact creature.) Illustrated by Eric Deschamps Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Legal Brawl Not Legal Legacy Legal Comp
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