Great Hall of the Biblioplex
Land
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{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.
Official rulings
- 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. (2026-03-20)
Cards like this
Functionally similar cards by meaning — playable in Great Hall of the Biblioplex’s colours.
