"The Elysian airdrop tokens have been distributed in full to all eligible participants. The airdrop campaign was very successful, despite the overwhelming number of invalid participants, mainly through the use of multiple Ethereum addresses, multiple sign-ups from the same IP address, and other fraudulent activity. The Elysian team was able to sort through the duplicate and invalid entries and complete the process so that only participants that were honest and exercised responsible behavior would receive the ELY tokens."
https://medium.com/@Elysian_Ely/distribution-of-elysian-airdrop-tokens-is-now-complete-6c5ee162504e
You should ask this question to their telegram group to find out the reason for the development team to send the token. Maybe they have other purposes than that.