How do you get the TOC 10 Superserver Icon?
Riot's description in the client reads: “Lantern Snek”
Is the TOC 10 Superserver Icon still available?
Riot does not list the TOC 10 Superserver Icon as a legacy icon.

TOC 10 Superserver Icon is a 2025 League of Legends summoner icon. It first appeared in patch 25.05, released on March 5, 2025. Its icon ID is 10004.
Riot's description in the client reads: “Lantern Snek”
Riot does not list the TOC 10 Superserver Icon as a legacy icon.