# 2023 Magic: The Gathering The Lost Caverns of Ixalan Promos #257p

> The Millennium Calendar is a 2023 Mythic Rare foil Legendary Artifact from The Lost Caverns of Ixalan Promos. This card introduces a unique time-counter mechanic to Magic: The Gathering gameplay.

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## Identity

- **Year**: 2023
- **Manufacturer brand**: Magic: The Gathering
- **Set / series**: The Lost Caverns of Ixalan Promos
- **Card number**: #257p
- **Product type**: TCG_CARD

## Description

The Millennium Calendar stands as a distinctive Legendary Artifact within the Magic: The Gathering landscape, specifically released as part of the 2023 The Lost Caverns of Ixalan Promos set. Identified by the catalog number 257p, this card carries a Mythic Rare designation and features a premium foil finish, making it a visually striking addition to any collection. Designed by artist Zoltan Boros, the card's aesthetic complements its mechanical complexity, appealing to collectors who appreciate both artistic presentation and strategic innovation. In gameplay, The Millennium Calendar offers a unique time-based mechanic that diverges from traditional spellcasting. With a mana cost of just one mana and a mana value of one, it serves as a low-cost entry point for building specialized decks. The card's primary function revolves around accumulating time counters. Whenever permanents are untapped during the untap step, that many time counters are placed on The Millennium Calendar. This accumulation allows players to utilize the card's activated ability, which requires paying two mana and tapping the artifact to double the number of time counters already present. The strategic payoff arrives when the card reaches 1,000 or more time counters, at which point it is sacrificed to cause each opponent to lose 1,000 life. Collectors value The Millennium Calendar for its high-rarity status and its role in expanding the rules engine of Magic: The Gathering. The foil treatment enhances its desirability, while its status as a promo card from The Lost Caverns of Ixalan adds provenance to its identity. For investors and hobbyists, it represents a tangible piece of TCG history that bridges artistic design with intricate game logic. Its unique mechanic ensures it remains a topic of discussion among players exploring unconventional strategies, while its Mythic Rare classification keeps it on the radar of those seeking to build diverse and impressive collections.

## FAQ

### What type of card is The Millennium Calendar?

The Millennium Calendar is a Legendary Artifact card in Magic: The Gathering. It has a mana cost of one and a mana value of one, allowing it to be cast early in the game to establish a time-counter mechanic.

### How does the time counter mechanic work?

Players place time counters on The Millennium Calendar whenever they untap permanents during their untap step. The card can then be tapped to pay two mana to double the number of time counters on it. Reaching 1,000 time counters allows the player to sacrifice the card to make each opponent lose 1,000 life.

### What is the rarity and finish of this card?

This card is classified as a Mythic Rare with a foil finish. It was released as part of The Lost Caverns of Ixalan Promos set in 2023, carrying the card number 257p.

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Last verified: 2025-11-29.