Use stone bricks, deepslate, and amethyst for that magical and mysterious base.
Start with a circular base and stack upward in tiers, narrowing each level.
Include a spiral staircase inside or a vertical water elevator for access.
Add enchanting tables, bookshelves, brewing stands, and hidden trapdoors.
Lighting with soul lanterns and end rods adds mystical vibes.
Decorate the top with a domed roof or spire dark prismarine works great.
Use glazed terracotta or stained glass windows to give color pops.
Wizards love secret basements or portal rooms, so include some magical redstone.
There are dozens of YouTube tutorials if you want style inspiration.