Whenever you cast an artifact spell, draw a card.
"The Knowledge Pool knows. Memnarch understands." —Janus, speaker of the synod
Illustrated by Kev Walker · Mirrodin · #55
There are no rulings for Vedalken Archmage.
Flying
Whenever you cast an Adventure spell, draw a card.
Whenever you cast an instant spell, you may pay . If you do, draw a card.
Whenever you cast a historic spell, draw a card. (Artifacts, legendaries, and Sagas are historic.)
Whenever you cast a spell with mana value 4 or greater, draw a card.
Whenever you cast an instant or sorcery spell, draw a card, then discard a card.
Magecraft — Whenever you cast or copy an instant or sorcery spell, draw a card.