---
name: "Biblioplex Tomekeeper"
mana_cost: "{4}"
cmc: 4
type_line: "Artifact Creature — Construct"
colors: []
color_identity: []
keywords: ["Prepared"]
set: "SOS"
set_name: "Secrets of Strixhaven"
collector_number: "247"
rarity: "common"
artist: "Raph Lomotan"
oracle_id: "08a0e845-9ef9-4de1-b9fe-4530357346ca"
canonical_url: "https://avascry.com/printing/biblioplex-tomekeeper-sos"
legalities:
  commander: "legal"
  standard: "legal"
  modern: "legal"
  pioneer: "legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "legal"
  penny: "legal"
---

# Biblioplex Tomekeeper
- **Mana Cost:** `{4}` (CMC: 4)
- **Type:** Artifact Creature — Construct
- **Power/Toughness:** 3/4
- **Keywords:** Prepared

## Oracle Text
When this creature enters, choose up to one —
• Target creature becomes prepared. (Only creatures with prepare spells can become prepared.)
• Target creature becomes unprepared.

> *"Due dates are firm, and will be enforced."*

## Top 4096-Dim Neural Synergies
1. [Skycoach Waypoint](/printing/skycoach-waypoint-sos.md) — Land
2. [Cogwork Librarian](/printing/cogwork-librarian-cns.md) — Artifact Creature — Construct
3. [Old Guard](/printing/old-guard-ust.md) — Artifact Creature — Cyborg Soldier
4. [Codie, Vociferous Codex](/printing/codie-vociferous-codex-pstx.md) — Legendary Artifact Creature — Book Construct
5. [Nulltread Gargantuan](/printing/nulltread-gargantuan-arb.md) — Creature — Beast
6. [Shrine Steward](/printing/shrine-steward-neo.md) — Artifact Creature — Construct

## Printing Details
- **Set:** Secrets of Strixhaven (SOS) #247
- **Rarity:** Common
- **Artist:** Raph Lomotan

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