flavorText: Part prison, part home.
name: Grim Monolith
originalText: Grim Monolith does not untap during your untap phase.
  ocT: Add three colorless mana to your mana pool. Play this ability as a mana source.
  {4}: Untap Grim Monolith.
printings: PRM, ULG, WC00, WC99
text: This artifact doesn't untap during your untap step.
  {T}: Add {C}{C}{C}.
  {4}: Untap this artifact.
type: Artifact