My secret swapper was the lovely godudette! The first thing I saw when I opened it up was a Yveltal Pokédoll! I have a huge soft spot for the dark birdy, and so I was completely happy!
I reached back in and pulled out this lovely card:
When I read it, I realized there was another gift in my box! I reached back in and pulled out this:
They're stamps! And they work wonderfully!
I'll be using these on all my mail from now on - especially the Heatmor one! Thank you so much! You put so much thought into my package, godudette, and I really appreciate it!