Jace's Erasure

• WWizards of the Coast2010-08-15
  Official Ruling
  If a spell or ability causes you to draw multiple cards, Jace’s Erasure’s ability triggers that many times. (The spell or ability finishes resolving before you put Jace’s Erasure’s abilities on the stack.)
• WWizards of the Coast2010-08-15
  Official Ruling
  If a spell or ability causes you to put cards in your hand without specifically using the word “draw,” Jace’s Erasure’s ability won’t trigger.

Rulings via Scryfall