Great Hall of the Biblioplex
~$0.80 low · ~$2.23 high
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Colorless. Land
Secrets of Strixhaven #257 · Illustrated by Constantin Marin
Secrets of Strixhaven #257 · Illustrated by Constantin MarinWhat is Great Hall of the Biblioplex worth?
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TCGplayer market prices in USD, updated October 14, 2026. Each price is for one printing and one finish.
Oracle text
: Add 
.
, Pay 1 life: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell.
: If this land isn't a creature, it becomes a 2/4 Wizard creature with "Whenever you cast an instant or sorcery spell, this creature gets +1/+0 until end of turn." It's still a land.
Format legality
All 3 printings of Great Hall of the Biblioplex
| Printing | Rarity | Non-foil | Foil | Cardmarket (EUR) | My collection |
|---|---|---|---|---|---|
 Secrets of Strixhaven Promos psos #257p· 2026Promorare· Cardmarket €0.52 · €0.49 foil | rare | $1.06 | $2.23 | €0.52€0.49 foil | |
 Secrets of Strixhaven sos #257· 2026rare· Cardmarket €0.57 · €0.68 foil | rare | $0.82 | $0.80 | €0.57€0.68 foil | |
 Secrets of Strixhaven sos #361· 2026Extended Artrare· Cardmarket €0.54 · €0.87 foil | rare | $1.32 | $1.32 | €0.54€0.87 foil |
Prices are TCGplayer market prices in USD for each printing and finish, via Scryfall. They are a guide, not an appraisal.
Where to buy Great Hall of the Biblioplex
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Card details
- First printed
- 2026
- Printings
- 3
- Mana value
- 0
- EDHREC rank
- #8,502 on EDHREC (Commander popularity)
- Artist
- Constantin Marin
What the codes mean
The small print at the bottom of the Secrets of Strixhaven card (#257).
0257 · SOS · R · EN
- 0257Collector number: this card's place in the set list.
- SOSSet code for Secrets of Strixhaven
- RRare
- ENPrinted in English
How to read a Magic card: every part and code, on real cards.
Rulings (1)
March 20, 2026
If this land becomes a creature but you haven't controlled it continuously since your most recent turn began, you won't be able to activate its mana ability or attack with it that turn.
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