This creates a metagame in which players are constantly sending cards to the graveyard, exiling them to bring single permanents back, then exiling those, too
Meanwhile, Blight Curse, fittingly, is all about Blight counters that give creatures -1/-1 counters, but Lorwyn Eclipsed complicates how blight gets used enough that things are far more interesting than they might seem at a glance (get ready to blight your own creatures, and love it)
The balanced proportions also reduce hand fatigue during long tournaments
Rather, a second "reflexive" ability triggers when you exile a card this way
Some mono-Blue and artifact things will change the power of artifacts you control, like Ensoul Artifact turning it into a 5/5, so that would work