Instant, U (1)
Common
Draw three cards, then put two cards from your hand on top of your library in any order.
"I reeled from the blow, and then suddenly, I knew exactly what to do. Within moments, victory was mine."
—Gustha Ebbasdotter
Kjeldoran royal mage
Illus. Christopher Rush

10/4/2004: This is all one effect. You draw 3 and return 2 cards all in one resolution. Nothing may happen between the two. If something triggers on drawing cards, it will go on the stack after Brainstorm finishes resolving.
Restricted in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander