Whenever you untap one or more permanents during your untap step, put that many time counters on The Millennium Calendar.
2, T: Double the number of time counters on The Millennium Calendar.
When there are 1,000 or more time counters on The Millennium Calendar, sacrifice it and each opponent loses 1,000 life.

• Rarity:M
• #:257
• Card Type:Legendary Artifact