Something from the nether would feel right for some reason. Contents 1 Obtainable blocks 2 Incompatibilities 3 Data values 3. To me even netherite would be worth it, ghast tears or nether stars. 1 Incompatible with Fortune Silk Touch is a tool enchantment that causes certain blocks to drop themselves as items instead of their usual drops when mined. I would love to have this, even if you had to repair the spawner on the anvil and use a lot of xp and maybe some material. I jerked up with a start trying to get my. I saw some guys use single spawners for PvE arenas, but that's not great. The room was dim, and not the same one I had carried Sky into. I never break spawners, but building around them is such a hassle and their density is just too low, to do anything cool with them by default. All of that said, it would be incredibly cool to have spawners to show off and use creatively. Picking up spawners is the big one, which people might disagree on, but spawners are never going to be a top tier farm, they are super rare, super manual and highly unreliable to 'farm'.
Picking up silver fish doesn't seem neccessary, but why not, one more item to collect and probably cool to have something besides chicken eggs to store mobs in chests. Actually, you can already mine the dragon egg, provided you block all spaces it can teleport to.