Keeper of Secrets 78/617 (Universes Beyond: Warhammer 40,000)

First strike, haste Symphony of Pain — Whenever you cast a spell from anywhere other than your hand, this creature deals damage equal to that spell's mana value to target opponent.

NM - $18.10
LP - $14.50
MP - $10.90
HP - $7.30
DMG - $3.70