Instant, 2U (3)
Uncommon
Draw three cards. Then discard two cards unless you discard an artifact card.
Lymph, the fluid essence of blinkmoths, is prized by wizards for the rush of intellect it provides.
Illus. Ben Thompson

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.
Restricted in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander
Legal in Modern