First printed in Secrets of Strixhaven (2026)
Artifact Creature — Construct
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."
3/4
- Illustrated by
- Raph Lomotan
Legality
- Legal in
- Standard, Pioneer, Modern, Legacy, Vintage, Pauper, Future Standard, Historic, Timeless, Alchemy, Penny Dreadful, Gladiator, Commander, Duel Commander, Pauper Commander, Oathbreaker, Brawl, Standard Brawl, Competitive Brawl
- Not legal in
- Premodern, Old School 93/94, PreDH, Tiny Leaders
Ruling (1)
- The first mode of Biblioplex Tomekeeper's last ability won't have any effect on a creature that has no prepare spell or is already prepared. Similarly, the second mode won't have any effect on a creature that isn't already prepared.
Prices
MTGO price: 0.002 TIX, the cheapest non-foil print (average sell price on GoatBots, 1 Nov 2026).
In Limited on MTG Arena
Win rates in Arena drafts and sealed, retrieved from 17Lands (CC BY 4.0).
| Set | GIH WR | vs set | IWD | Games |
|---|---|---|---|---|
| Secrets of Strixhaven (SOS), Premier Draft | 45.6% | -9.8 | -2.3 | 1094 |
- GIH WR
- win rate of the games in which the card was in the opening hand or drawn
- vs set
- points above or below the average win rate of all decks in the set
- IWD
- improvement when drawn: GIH WR minus the win rate when the card stayed in the library
- Games
- games in which the card was seen
Combos
19 combos, the most popular first:
- Infinite artifact ETB, Infinite artifact LTB…: Biblioplex Tomekeeper + Skycoach Conductor // All Aboard + Storm-Kiln Artist
- Infinite artifact ETB, Infinite artifact LTB…: Biblioplex Tomekeeper + Displacer Kitten + Emeritus of Conflict // Lightning Bolt + Storm-Kiln Artist
- Infinite storm count, Infinite creature ETB…: Biblioplex Tomekeeper + Birgi, God of Storytelling // Harnfel, Horn of Bounty + Displacer Kitten + Emeritus of Conflict // Lightning Bolt
- Infinite artifact ETB, Infinite artifact LTB…: Biblioplex Tomekeeper + Earthcraft + Skycoach Conductor // All Aboard
- Infinite death triggers, Infinite lifegain triggers…: Biblioplex Tomekeeper + Grave Researcher // Reanimate + Kheru Bloodsucker + Phyrexian Altar
- Infinite death triggers, Infinite lifegain triggers…: Biblioplex Tomekeeper + Grave Researcher // Reanimate + Phyrexian Altar + Sultai Flayer
- Infinite death triggers, Infinite lifegain triggers…: Biblioplex Tomekeeper + Grave Researcher // Reanimate + Phyrexian Altar + Proper Burial
- Infinite death triggers, Infinite lifegain triggers…: Biblioplex Tomekeeper + Grave Researcher // Reanimate + Phyrexian Altar + South Wind Avatar
- Infinite damage, Infinite death triggers…: Aetherflux Reservoir + Biblioplex Tomekeeper + Grave Researcher // Reanimate + Phyrexian Altar
- Infinite death triggers, Infinite lifegain triggers…: Biblioplex Tomekeeper + Grave Researcher // Reanimate + Phyrexian Altar + Trostani, Selesnya's Voice