Zz'rot Portal/Banner Combo is a Little Ridiculous Right Now

Especially in higher elo, playing an AP top laner, or a champ who doesn't build either of these two items, is near impossible. The pushing power between these two is stupidly strong.

As an example, I was able to take 3 bot towers as support by myself with these two items before the entire enemy team could take two towers mid. Although it was fun, I realize a 5 v 4 should push faster than a support late game. I also happened to make 1.4k between these two items.

I'm not sure if the pushing power itself needs to be nerfed or the combat stats of these items, to at least seal their niche. Idk, I feel like both items were a little overbuffed because no one built them, and now they are staple in the LCS, they're becoming to be a problem.

One idea I have for is if the voidspawn gave a tiny amount of gold for killing them (like 5g). At least this would make defending against one less of a burden.