Creature — Avatar 6/6, 5B (6)
Rare
Whenever Keeper of Tresserhorn attacks and isn't blocked, it assigns no combat damage this turn and defending player loses 2 life.
Illus. Z. Plucinski & D.A. Gregory

10/4/2004: The ability triggers on declaration of blockers if the criteria is met.
Official Reprint Policy (This card is on the reserved list)
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Commander