A rare Abberant Artifact with connections from the Far Realm and Abeir. It's about 4 inches in diameter. While touching it, you can cast the following spells -- at a cost.

Misty Step. Int Save DC:12. On fail take 1d4 Psychic Damage after casting.

Dimension Door. Int Save DC:14. On fail take 2d4 Psychic Damage after casting.

Scrying. Int Save DC:15. On fail take 2d6 Psychic damage after casting.

Contact other Plane. See spell for details.

Notes: Teleportation