Hi. Since my meta is now becoming OMotM this month, and it almost ends, I'm planning to announce Nature swap Megamons at the end of the month (it's coded btw). Since it's megamons, I should ask you if you're ok with it.
So just to clarify for Type Reflectors:
The primary type of the first Pokemon is considered "the type". "The type" becomes the secondary type of every other Pokemon. If they already have that type as a primary, they become only "the type". If something Mega Evolves, it goes to its standard mega typing unless it either loses a type or doesn't gain a type. Am I missing anything?
Looking at your type reflectors meta...this is kind of an odd thing to say but I noticed a couple of ways the OP could be better.
Specifically, I'd put Mew in the third slot and push down the rest, then have the last slot be Bibarel > Lopunny. That way, you'd have the 2 examples of the basic concept one after the other to reinforce the idea, then you can use the remaining 3 slots to explain the twists.