Boots of Foretelling

Boots of Foretelling are a socketed, epic cloth boots for DPS casters. They increases stamina by 27, intellect by 23 (26 if socketed with the right colors), +26 Spell Damage and spell 19 critical strike rating. They have a Red and Yellow socket.

Source
It drops from the Maiden of Virtue in Karazhan with about a 15% drop chance