---
name: "Five Hundred Year Diary"
mana_cost: "{3}{U}"
cmc: 4
type_line: "Legendary Artifact — Book Clue"
colors: ["U"]
color_identity: ["U"]
keywords: []
set: "WHO"
set_name: "Doctor Who"
collector_number: "42"
rarity: "rare"
artist: "Kieran Yanner"
oracle_id: "9bdd6fea-d436-412b-a7b7-bbdba73dc986"
canonical_url: "https://avascry.com/printing/five-hundred-year-diary-who"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "not_legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Five Hundred Year Diary
- **Mana Cost:** `{3}{U}` (CMC: 4)
- **Type:** Legendary Artifact — Book Clue

## Oracle Text
Five Hundred Year Diary enters tapped.
{T}: Add {U} for each Clue you control.
{2}, Sacrifice Five Hundred Year Diary: Draw a card.

## Top 4096-Dim Neural Synergies
1. [Tamiyo's Logbook](/printing/tamiyos-logbook-one.md) — Artifact — Book
2. [Tamiyo's Journal](/printing/tamiyos-journal-psoi.md) — Legendary Artifact — Book
3. [Azorius Cluestone](/printing/azorius-cluestone-dgm.md) — Artifact
4. [Izzet Cluestone](/printing/izzet-cluestone-dgm.md) — Artifact
5. [Dimir Cluestone](/printing/dimir-cluestone-dgm.md) — Artifact
6. [Investigator's Journal](/printing/investigators-journal-vow.md) — Artifact — Book Clue

## Printing Details
- **Set:** Doctor Who (WHO) #42
- **Rarity:** Rare
- **Artist:** Kieran Yanner
- **Total Printings:** 8 across all historical editions

## Format Legalities
Commander: `legal` | Standard: `not_legal` | Modern: `not_legal` | Pioneer: `not_legal` | Legacy: `legal` | Vintage: `legal` | Pauper: `not_legal` | Penny: `not_legal`