I actually have my own question: Can you re-learn a deleted tm?
My Blissey knows Toxic, but I'm about to capture Dialga (And then probably go for the Lake Trio). One of them will most likely displace it from the team, in which case it'll go into Daycare. This could lead to Toxic being deleted. Would I be able to re-teach it with the Move Tutor?
I did but I still don't see the migrate option on my game