Board Thread:Questions and Answers/@comment-32178323-20170628031428/@comment-24835246-20180613132937

Cachicada wrote: buy one from the shop, obviously The egg has to be in the Breeding Structure, not the Nursery. If you buy a monster, it will be in the Nursery.

I always use a quad-element monster (Entbrat, Deedge, Riff, etc.) and the single-element monster (in this case, Toe Jammer) that I'm trying to breed. If you have a rare Toe Jammer, you can use that with the common Toe Jammer, like Jesse Scarlet said.