They are also, very cheap to purchase
Alpharael, Dreaming Acolyte Ancient Excavation Architects of Will Carlo, Suave Schemer Clutch of the Undercity Cyclonus, the Saboteur Dihada's Ploy Dimir Infiltrator Dire Undercurrents Disciple of Deceit Dreadwing Scavenger Emet-Selch, Unsundered Evangel of Synthesis Great Intelligence's Plan Horrid Shadowspinner Jhessian Zombies Kaito Shizuki Kang, Temporal Tyrant Katara, Seeking Revenge Lazotep Chancellor Likeness Looter Locke Cole Mob Lookout Obsessive Stitcher Oskar, Rubbish Reclaimer Perplex Prowler, Clawed Thief Psychatog Psychic Frog Shadowstorm Vizier Soul Ransom Tainted Indulgence The Ancient One Tiger Shark, Abyssal Hunter Tomebound Lich Ultron, Unlimited Unfulfilled Desires Vohar, Vodalian Desecrator
There are so many ways to completely break Skullclamp that it had to be banned in Modern and Legacy, but you can still use and abuse it in Vintage and Commander
(If it would be dealt damage or destroyed, remove a shield counter from it instead.) : Add
Its ability depends on power, not mana value, so you can reliably get ultra-powerful combo pieces like Kiki-Jiki, Mirror Breaker out if you can get it to the bottom of your library
They then proceeded to top themselves with the subsequent launch of the 25th Anniversary Golden Box [S8a-G], an all-holofoil deck featuring various gold-colored accessories and two Full Art cards covered in gold-colored holofoilincluding this one