Whenever enchanted creature deals damage to an opponent, you may draw a card.
2/1/2007 This is the timeshifted version of Curiosity.
3/16/2018 You draw one card each time the enchanted creature deals damage to an opponent, no matter how much damage it deals or whether it was dealt in combat.
3/16/2018 If this Aura enchants an opponent’s creature, you won’t draw a card when that creature damages you. The creature has to deal damage to one of your opponents for the ability to trigger.