
The Millennium Calendar: Legendary Artifact, The Lost Caverns of Ixalan. MTG card printings, market prices, rulings, and format legality on Mana Grove.
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The Millennium Calendar is a Magic: The Gathering card, a mythic rare colourless legendary artifact from The Lost Caverns of Ixalan (LCI), an expansion set released in November 2023. It is collector number 257 in that set, with art by Zoltan Boros. It costs {1} (one generic mana) to cast, for a mana value of 1. It has no colour identity. It is legal in Standard, Pioneer, Modern, Legacy, Vintage, Commander, Duel Commander, Oathbreaker, Brawl, Standard Brawl, Historic, Timeless, Gladiator and Penny Dreadful. It has been printed in 2 sets. The latest aggregated market price for this printing is $3.16 (normal finish, as of 2026-11-12).
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.
Latest aggregated market price for the normal finish of this printing: $3.16 (as of 2026-11-12).
The figure covers this printing only; other printings carry their own price on their own page.
Legality of The Millennium Calendar by format. Formats in which it is not legal are not listed.
| Standard | Legal |
|---|---|
| Pioneer | Legal |
| Modern | Legal |
| Legacy | Legal |
| Vintage | Legal |
| Commander | Legal |
| Duel Commander | Legal |
| Oathbreaker | Legal |
| Brawl | Legal |
| Standard Brawl | Legal |
| Historic | Legal |
| Timeless | Legal |
| Gladiator | Legal |
| Penny Dreadful | Legal |
The Millennium Calendar has been printed in 2 sets. The other printings are listed newest first, with the rarity and release year of each.
| Printing | Rarity | Year |
|---|---|---|
| The Lost Caverns of Ixalan (LCI) #388 | Mythic | 2023 |
| The Lost Caverns of Ixalan Promos (PLCI) #257p | Mythic | 2023 |
| The Lost Caverns of Ixalan Promos (PLCI) #257s | Mythic | 2023 |
Two official rulings apply to The Millennium Calendar, newest first.
Other artifact cards with no colour identity, ranked by how often they appear in Commander decks.