The robo-elf adoptable auctions end in less than 2 hours each if you wanna nab one, as of posting this only one of them even has a bid on them.

Sword Elf: https://ych.commishes.com/auction/s.....DT6Q/myrea002/
Dark Elf: https://ych.commishes.com/auction/s.....DT6H/sorea003/
Medic Elf: https://ych.commishes.com/auction/s.....DT6A/cleea004/
Forest Elf: https://ych.commishes.com/auction/s.....DT53/hunea005/