Ethersworn Canonist

The asymmetry is the whole point, and it cuts in a precise direction. Drop this on the table while your own gameplan runs on artifacts, and the tax barely registers: you keep deploying equipment, mana rocks, and artifact creatures freely while the opponent gets exactly one nonartifact spell per turn before the door shuts. It is a hatebear built to wreck the engines that win by chaining cheap spells in a single turn, storm shells, ritual-fueled combo, and any deck that wants to cast three things on turn four. Where a counterspell answers one card, this answers the structure: it does not stop the first spell, it stops the second and the third, and for decks whose math depends on volume that is the same as stopping all of them. The Cleric body matters too. Coming down on turn two as a 2/2, it pressures the life total it is also disrupting, so the opponent cannot simply sit under the lock and rebuild. The design lineage runs through the white prison-creature tradition, where a small body carries a rules-altering static ability that the controller is built to ignore. What makes this one durable is that the cost of breaking the lock (an artifact-heavy deck) is also the cost of getting the most out of it, which kept it relevant long after most narrow hatebears aged out: any strategy that treats spells as expendable resources rather than artifacts has always had to plan around it.