Great Hall of the Biblioplex
Land
{T}: Add {C}. {T}, Pay 1 life: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell. {5}: 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.
Prints (3)
| Set | # | Rarity | Finishes | USD | Foil USD |
|---|---|---|---|---|---|
| Secrets of Strixhaven Promos (PSOS) | 257p | rare | nonfoil, foil | — | — |
| Secrets of Strixhaven (SOS) | 257 | rare | nonfoil, foil | $0.43 | $0.59 |
| Secrets of Strixhaven (SOS) | 361 | rare | nonfoil, foil | $1.08 | $1.09 |
Rulings
- 2026-03-20 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.