A deck can have any number of cards named Relentless Rats
Returning Mechanic: Connive When they aren't causing mayhem, villains are often plotting to grow their power
Three copies from three different sellers are available of this card, so we suspect that the price could be reasonable

Arachnus Spinner Argyr, Tidal Spinner Bristly Bill, Spine Sower Broodspinner Cirina Bargainspinner Clockspinning Demonspine Whip Destiny Spinner Etherium Spinner Evolved Spinoderm Fatespinner Furious Spinesplitter Glamer Spinners Grasping Current Grasping Dunes Grasping Giant Grasping Longneck Grasping Scoundrel Grasping Shadows Grasping Tentacles Grasping Thrull Hivespine Wolverine Horrid Shadowspinner Illusion Spinners Kira, Great Glass-Spinner Knollspine Dragon Knollspine Invocation Lifespinner Metalspinner's Puzzleknot Naktamun Lorespinner Plate Spinning Snarespinner Spider-Man, Web-Spinner Spin Engine Spin Out Spin into Myth Spinal Centipede Spinal Embrace Spinal Graft Spinal Parasite Spinal Villain Spincrusher Spindrift Drake Spine of Ish Sah Spinebiter Spined Basher Spined Fluke Spined Karok Spined Megalodon Spined Sliver Spined Thopter Spined Tyrranax Spined Wurm Spinehorn Minotaur Spineless Thug Spinerock Knoll Spinerock Tyrant Spineseeker Centipede Spinewoods Armadillo Spinewoods Paladin Spinner of Souls Spinneret Sliver Spinneret and Spiderling Spinnerette, Arachnobat Spinning Darkness Spinning Wheel Spinning Wheel Kick Spinny Ride Spinny Ride Spinny Ride Spinny Ride Spiny Starfish

Grinding beyond four wins becomes increasingly inefficient as the gold-per-hour ratio plummets
It would have been way more interesting in Khans of Tarkir