3 Blazing Bomb Blisterspit Gremlin Blood Funnel Bloodfire Expert Bloodwater Entity Boar-q-pine Bothersome Quasit Bria, Riptide Rogue Burning Prophet Cathar's Companion Chrome Host Seedshark Circle of Power Cori-Steel Cutter Cornered by Black Mages Coruscation Mage Cosmic Crucible Crackling Cyclops Crescent Island Temple Crimson Operative Cruel Witness Crystal, Inhuman Princess Cunning Breezedancer Cursed Firebreathing Yogurt Cyclops Superconductor Death to Our Enemies Deeproot Champion Disciples of the Inferno Displacer Kitten Don Andres, the Renegade Dragon Bell Monk Dragon's Rage Channeler Dragon-Style Twins Drake Hatcher Dwarven Forge-Chanter Ecstatic Electromancer Elementalist Adept Elsha of the Infinite Elsha, Threefold Master Elusive Otter Elusive Otter Elusive Spellfist Emberheart Challenger Estinien Varlineau Feather, Radiant Arbiter Firebending Student Firebrand Archer Flux Channeler Frenzied Devils G'raha Tia, Scion Reborn Garland, Knight of Cornelia Goblin Wizardry Goblinslide Harmonic Prodigy Heartfire Immolator Hermes, Overseer of Elpis Hraesvelgr of the First Brood Hulkling, Young Avenger Ichor Synthesizer Ichormoon Gauntlet Iguana Parrot Ingenious Skaab

As a cheap two mana value option, it can turn online fast
Turn 2 Tymaret, Chosen by Death Turn 3 Ayara, First of Locthwain Turn 4 Nightmare Shepherd Turn 5 Gray Merchant of Asphodel Still, theres a lot of competition at the four-spot, and this is a pretty high-investment permanent compared to Erebos or Dread Presence, so it would not surprise me at all if Nightmare Shepherd was for Golgari or Orzhov decks rather than black devotion
As Jason mentions on his website misprintedmtg.com, By understanding the processes in which MTG cards are made, we can understand how the errors we see in our packs come to exist. If youre interested in collecting printing errors, its fundamental to know the basics of card production because different errors correspond to each step in the production process