Thirst for Knowledge

Instant, 2U (3)
Draw three cards. Then discard two cards unless you discard an artifact card.
Raissa transformed herself into a vessel for the Watchword Codex, allowing the arcane lore to flow through her body.
Illus. Ben Thompson

Gatherer Card Rulings [Nov 2009]

• 12/1/2004: You can discard either one artifact card or two cards which may or may not be artifacts. If you really want to, you can discard two artifact cards.

Format Legality	Legal in Legacy, Extended, MTGO Classic Restricted in Vintage Banned in Standard
Printings (3/9)	Planechase (Uncommon) Mirrodin (Uncommon) Friday Night Magic (Special)