2/1/2007 You draw one card each time the enchanted creature damages the
opponent. This is not one card per point of damage.
2/1/2007 If put on your opponent's creature, you do not draw a card when
that creature damages you. The creature has to damage your opponent in
order to have this work.
2/1/2007 Drawing a card is optional. If you forget, you can't go back
later and do it, even if it is something you normally do.
9/22/2011 "You" refers to the controller of Curiosity, which may be
different from the controller of the enchanted creature."An opponent"
refers to an opponent of Curiosity's controller.
9/22/2011 Any damage dealt by the enchanted creature to an opponent will
cause Curiosity to trigger, not just combat damage.
9/22/2011 Curiosity doesn't trigger if the enchanted creature deals
damage to a planeswalker controlled by an opponent.
