>ANY mare
Huh?
>will mother your FOALS - plural
>you receive a basket containing your FOAL - singular
>motherless foal in this hellhole
Chrysalis, is that you? You want to start a new Hive and need a sperm donor, don't you? A male who won't claim co-rulership by being stuck on Earth, and Changeling genes might make fitting into human society possible - and if it's a rare female changeling, she might start a Hive on Earth, away from ponies who could stop her.

On one hand, BUG OFF. On the other hand, Changelings raiding Earth would be chaotic...