This is easy to remember by thinking of them "enchanting" the battlefield or a creature
5 Tome Scour In Pioneer, Tome Scour is the best low mana cost mill card available
The Emerald/Sapphire deck is by no means bad, and I enjoyed utilizing the various Inventors, but it does seem to require a bit more strategizing, whereas the Amber/Ruby feels more aggressive
A+ Dimir Charm While there wont always be a sorcery and the mill is a little sketchy, the Dimir Charm should generally be able to find a target to take out with the creature removal option
You get immediate value from your 6 mana value card, and on the next turn, you might even auto-win
While she may end up being a kill-on-sight Commander in practice, black offers plenty of efficient recursion options to keep Judith on the battlefield, well-positioned to do her dastardly thing, making this spell slinger an excellent option for players looking to control the board