Size 1 Pixie Knights, with a Lance bonus first strike, and 25 AP.
Aren't the Kithaironic Lions spiritual manifestations of..... something? They're not actually just cats, so it could be justified.
And even with real animals, free spawn isn't necessary about creation of units, but can be attraction as well, like with Maenads. Unless those Pans are laying "naked lady" eggs, in which case I'll take a dozen, please.