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.
Printings & Conditions (3)
Secrets of Strixhaven (SOS)(Extended Art) (Secrets of Strixhaven)#361Rare
Secrets of Strixhaven (SOS)(Secrets of Strixhaven)#257Rare
Secrets of Strixhaven Promos (PSOS)(Promo Pack: Secrets of Strixhaven)#257pRare
Regular
Foil