Great Hall of the Biblioplex
Land
: 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.
- CMC
- 0
- Mana cost
- Color identity
- C
- Rarity
- rare
- Set
- Secrets of Strixhaven Promos
- Price
- —
- EDHREC rank
- #14378
Great Hall of the Biblioplex enters tapped and produces colorless mana, so you're paying a real cost — but the upside is a repeatable scry 1 whenever you cast a spell while holding the maximum number of cards in hand. In decks built to stay at a full grip, that triggers constantly; everywhere else, it's a worse Cryptic Caves.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | legal |
| standard | legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
In Commander, Great Hall of the Biblioplex earns its slot in hand-size-matters decks — Kruphix, God of Horizons, Teferi's Puzzle Box builds, or any shell running Reliquary Tower and Thought Vessel to stay above the seven-card threshold. Outside those specific archetypes, the enters-tapped clause is a real tempo penalty that generic lands without conditions don't carry. In 60-card formats like Modern and Pioneer, the card-in-hand requirement is hard to consistently satisfy, and lands that enter tapped are close to unplayable at those speeds. Legacy and Vintage have no interest. Standard is the one exception where a slow, synergy-dependent land might see fringe play in a dedicated card-advantage shell, but it hasn't broken through.
Key Combos
Combo lines featuring this card
Price Context
Current price
unknown tier
Price data for Great Hall of the Biblioplex isn't currently available here — check Scryfall or TCGPlayer for a live number. Given its narrow condition and competition from strictly better utility lands, it typically sits in bulk or near-bulk range, making it a low-risk pickup if your commander wants it.
Explore
Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.