Didn't Charlotte include him?
I think that I can humour your wish.I don't want proxy tentacles, I want ACTUAL tentacles.
The Starwheel has tentacles.
Obsidian can make shadow tentacles.
Thing can make some tentacles.
Also, I am pretty sure that it is not Xanadiel's style, but I'll try to make her cast Evan's Spiked Tentacles of Forced Intrusion (or reasonably close copy).