Curious Obsession (Rivals of Ixalan)
Enchant creature Enchanted creature gets +1/+1 and has "Whenever this creature deals combat damage to a player, you may draw a card." At the beginning of your end step, if you didn't attack with a creature this turn, sacrifice Curious Obsession.
|M:tG Set||Rivals of Ixalan|
|Converted Mana Cost||1|