Enchantment, 1R (2) Whenever a player cycles a card, you may pay {1}. If you do, Lightning Rift deals 2 damage to target creature or player.1 Options will cost you, but a lack of options will cost you even more.
Illus. Eric Peterson
You choose the target when this ability is put on the stack, but you do not decide whether or not to pay the mana until the ability resolves. [Onslaught FAQ 2002/09/24]