Great Hall of the Biblioplex
Secrets of Strixhaven Promos (PSOS #257p)
Pricespreview
CKCard Kingdom
Normal
$1.49
Foil
$1.99
CMCardmarket
Normal
€0.38
Foil
€0.38
MPMana Pool
Normal
$0.72
Foil
$2.30
TCTCGplayer
Normal
$1.04
Foil
$2.22
Great Hall of the Biblioplex
CMC: 0
Type
Land
Rules 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.
Printing
Secrets of Strixhaven Promos (PSOS #257p)
rare
Illustrated by Constantin Marin