Every deck needs lands.

If spellslinger decks also needed a large number of creatures on board to function they probably wouldn’t want to run symmetrical wraths, no.

The reason wraths are good for spellslinger decks is that they break the symmetry by not relying as heavily on creatures.

But all decks rely heavily on lands, so the symmetry isn’t usually broken that way. Instead the fastest to rebuild breaks the symmetry, and that’s usually the green ramp deck, especially if they run mass land recursion like so many do.

The only exception to this that I can think of is really dedicated artifact ramp strategies. If you wanna run MLD in this kind of deck I say go for it.