Trevaia

Trevaia is a Redguard spell merchant in Anvil's Chapel of Dibella. She also is a regular merchant and sells potions.
 * Vital Stats
 * Level 4 Priest
 * Mercantile: 10
 * Speechcraft: 28
 * 200

Note: "Base Magicka Cost" refers to how much magicka it costs to cast the spell without factoring in player's skill level, attribute level, and individual spell effects. Generally, magicka costs are higher.