Howling Mine | Magic: The Gathering
Formats Howling Mine is Legal in
Official Oracle Text for Howling Mine
Official Rulings for Howling Mine
10/4/2004 : It does not trigger at all if this is tapped at the start of the draw step, and it checks this again on resolution.
10/4/2004 : The additional draw is separate from any other draw during your draw step. It happens when the triggered ability resolves.
4/15/2013 : The triggered ability is put onto the stack after you have already drawn your card for the turn.