They look like secrets or supers or ultras (i am no good with rarity) I have seen what they can do. Rank 8 xyz spam. Also they will be a reason to keep burial from a different dimension at 1 because of dreary doll. On DN Dreary Doll is Necro Doll.
Eh, they seem too reliant on needing other gimmick puppets (specifically magne) to work right now. Maybe if they release the others down the line it can work out, but it seems too slow to start up, and by the time it does, it's not worth it. Junk puppet is nice though.
[::[_]::]Common sense [+[_]::]just because you can doesn't mean you should