Your non-adventure creatures should have beneficial ETB abilities or good static abilities worth copying
If your opponent has a bunch of creatures with unearth in the graveyard, you can ruin their reanimation plans by exiling everything, and creating two 2/2 bears isnt terrible in a pinch
I think this is a card much more suited to the sideboard, but the two copies players are trying to fit into their Jund control builds doesnt seem crazy
Theyre both card types that have an effect then go to the graveyard after resolution
Its more Limited material than anything, but it can also pay off certain infinites with Whitemane Lion, Cloudstone Curio, and more
Treefolk Umbra - if these are cards you play already, Stoneskin should fit your deck nicely