It can be discarded to act as a Ritual Spell for any other Megalith Ritual Monster, so long as you can tribute Monsters for the usual Ritual Monster requirement
Thats where DIY options come in
Amid azure seas, encompassing the westernmost of the Three Great Continents, there lies a realm embraced by gods and forged by heroes
In the case of Mai, this is great, as virtually the only Monsters in her deck are Harpies
The Lost Caverns of Ixalan introduces the new Cosmium Ink treatment, and if that sounds familiar, thats because its a riff on the rare treatment that was used in Kamigawa: Neon Dynasty
In conclusion, while the delayed English rollout may test short-term confidence in Japanese Mega Ex Dream valuations, the sets unique appeal and structural market differences should cushion its long-term prospects