Artifact, 3 (3)
Uncommon
{T}: Nine-Ringed Bo deals 1 damage to target Spirit creature. If that creature would die this turn, exile it instead.
"We received an anonymous letter suggesting that Kumano holds a secret to defeating the kami, but he is nowhere to be found."
—General Takeno, letter to Lord Konda
Illus. Ralph Horsley

12/1/2004: The damaged creature will be exiled even if Nine-Ringed Bo isn't on the battlefield when that creature would be put into a graveyard.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander
Legal in Modern