Trophy Items for 1.17

A great way to expand the Caves and Cliffs Update would be to add new trophy items. These items could be underground exclusive, found only in abandoned mineshafts, strongholds, dungeons, archaeological sites and underground cabins. One idea is a new mob head. The villager skull (large nose included) could be found in archaeological sites as evidence of their previous occupation. Even better, more music discs could be added! I imagine a skulk infested disk that is blue with a gray center. It could have warden and skulk sounds set to an eerie tune. A mountain exclusive disc could also be interesting. Or, to deepen lore even more, we could find disc shards which could be attached to the 'broken disc' to fix it.