>>43867832In OU it's a menace. With it's BFF Corviknight, it's got the perfect switch-in to any Poison or Steel type attack. The only Pokemon that can deal with both, Toxtricity, is unreliable at best, especially since Excadrill and Hippowdon are scary threats in the tier.
Clefable on its own is pushing it, but when you consider that it fits onto just about any team and that it can be made nearly invincible with the right teammates, the thing becomes an absolute menace to society.
If only we still had Magnezone...