# 2026 Magic: The Gathering Unknown Event #RZ05p

> The 2026 Magic: The Gathering Unknown Event card Niv-Mizzet's Diary (RZ05p) is a Rare Artifact — Book with a mana cost of {3}{U}{R}.

Canonical URL: https://supercatch.com/product/magic-the-gathering-unknown-event-niv-mizzets-diary-rz05p

## Identity

- **Year**: 2026
- **Brand**: Magic: The Gathering
- **Set**: Unknown Event
- **Card Number**: RZ05p
- **Featured**: Niv-Mizzet's Diary
- **Game**: Magic: The Gathering
- **Rarity**: Rare
- **Mana cost**: {3}{U}{R}
- **Type**: Artifact — Book
- **Color**: R, U
- **Language**: English
- **Material**: Card Stock
- **Finish**: Normal

## Description

Niv-Mizzet's Diary is a Magic: The Gathering trading card from the 2026 Unknown Event set, identified by the card number RZ05p. This Rare card is classified as an Artifact — Book with a mana cost of {3}{U}{R} and a mana value of 5. The card features a normal layout and includes a specific rules text box detailing its imprint and upkeep abilities.

Collectors looking for Magic: The Gathering trading card game cards from the Unknown Event set will find this release distinct due to its specific card number and treatment. The product identity is anchored by its 2026 release year and its classification within the Magic: The Gathering brand.

## FAQ

### What is the mana cost of Niv-Mizzet's Diary?

The mana cost for Niv-Mizzet's Diary is {3}{U}{R}, resulting in a mana value of 5.

### What type of card is Niv-Mizzet's Diary in Magic: The Gathering?

Niv-Mizzet's Diary is an Artifact — Book card from the 2026 Unknown Event set.

### What is the card number for Niv-Mizzet's Diary?

The card number for Niv-Mizzet's Diary in the Unknown Event set is RZ05p.

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Editorial content updated: 2026-10-13.

Site deployment: 2025-11-29.