The Millennium Calendar (Extended Art) 388 - The Lost Caverns of Ixalan [LCI]

The Millennium Calendar (Extended Art)

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.

• Set: The Lost Caverns of Ixalan
• Rarity: Mythic