# 2026 Magic: The Gathering Secrets of Strixhaven Promos #257p

> Great Hall of the Biblioplex is a Land card from the Magic: The Gathering trading card game. This product is a Rare foil promo from the Secrets of Strixhaven Promos set, identified by set code PSOS and card number 257p. It has a mana value of 0 and a normal layout. The artwork is by Constantin Marin.

Canonical URL: https://supercatch.com/product/magic-the-gathering-secrets-of-strixhaven-promos-great-hall-of-the-biblioplex-257p-foil-promo

## Identity

- **Year**: 2026
- **Brand**: Magic: The Gathering
- **Set**: Secrets of Strixhaven Promos
- **Card Number**: 257p
- **Featured**: Great Hall of the Biblioplex
- **Game**: Magic: The Gathering
- **Rarity**: Rare
- **Type**: Land
- **Language**: English
- **Material**: Card Stock
- **Finish**: Foil

## Description

Great Hall of the Biblioplex is a Land card in the Magic: The Gathering trading card game. This card is a Rare foil promo from the Secrets of Strixhaven Promos set (PSOS). It carries the card number 257p and a mana value of 0. The card features a normal layout and artwork by Constantin Marin.

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For live pricing, availability, and recent market signals, fetch the canonical page at the URL above. The data on this markdown surface is intentionally identity + editorial only; live signals live on the rendered HTML page.

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Editorial content updated: 2026-10-11.

Site deployment: 2025-11-29.