Part of the New Themysciran Readiness Doctrine, there are dozens of Exalted Mothers in each of the island's major cities, each a 20 foot tall combat capable war droid.
Cosmic Era: Yuna of Final Fantasy X
30 comic book inspired residents, honorary or otherwise of New Themyscira
Aeon Flux - excised from failed 30 Amazons submission
Believable magic, like ordinary physicis, operates according to some invariable laws that always result in some kind of cost or "bounce back". The grater the magic, the more it should cost the character physically, emotionally, and spiritually.