Magus of the Library

Creature - Human Wizard 1/1, GG (2)
{T}: Add {1} to your mana pool.
{T}: Draw a card. Activate this ability only if you have exactly seven cards in hand.¹
The ancient books slowly crumbled, their secrets turning to dust. But their every word sings within the magus's head.
Illus. Wayne Reynolds

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	Legal in Vintage, Legacy, Extended Banned in Standard
Printings (1/9)	Planar Chaos (Rare)