Library of Alexandria

Land
{T}: Add {1} to your mana pool.

{T}: Draw a card. Activate this ability only if you have exactly seven cards in hand.¹
Illus. Mark Poole

Gatherer Card Rulings [Nov 2009]

• 10/4/2004: You may tap multiples of these in response to each other because the requirement for 7 cards is checked only at the time the ability is announced and not again when it resolves.

Format Legality	Restricted in Vintage Banned in Legacy, Extended, Standard, MTGO Classic
Printings (1/1)	Arabian Nights (Uncommon (U3))