Give ichor a use in redstone farms

I think ichor could be really useful for redstone and farms if it had a few more properties. One idea is that it could damage living mobs without destroying their drops like lava does. To keep it from being too strong, undead mobs like zombies and skeletons could be immune to it. The bigger idea though is that while you are in the Sift, ichor could slowly corrode certain Overworld blocks like logs, stone and cobblestone and make them drop as items. That could make fully automatic tree farms, cobblestone farms and other farms possible without having to rely on things like TNT duping. Since the block breaking effect would only work in the Sift, you also couldn’t just bring ichor back to the Overworld and use it to destroy everything. I think it would give the Sift a really interesting long term use for technical players and make ichor feel like more than just another dangerous liquid.