Galazeth Prismari is a mythic Legendary Creature — Elder Dragon card from Magic: The Gathering (Strixhaven: School of Mages, STX). Current market price: $6.92.
Flying
When Galazeth Prismari enters, create a Treasure token.
Artifacts you control have "{T}: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell."
