Straight out of the ever so elusive Ravnica: Clue Edition , Mastermind Plum is a very powerful card draw engine stapled to a creature
This Esper enchantment creature is an incredibly potent package, representing an infinite mana outlet, the ability to serve as a static Underworld Breach for enchantments while in play, and best of all can be built a half dozen different ways, meaning that youre never quite sure what kind of deck youre facing down at your cEDH tables
The blue light at the end of the Duplicants arm does double duty here, serving as a nice spot of contrast in the gloom of the overall piece, while also representing the means by which the creature scans and replicates others
Creatures that enter attacking are never declared as attackers, and as such, they won't cause Demonic Covenant's first ability to trigger
This card is getting a lot of comparisons to Vampire Nighthawk, with the switch out of Deathtouch for Vigilance
Karrthus also has haste, which is really strong in multiplayer