Options will cost you, but a lack of them will cost you even more.

Lightning Rift

Whenever a player cycles a card, you may pay {1}. If you do, Lightning Rift deals 2 damage to any target.

Dominaria Remastered

"Jealous of storms, Vadrok took lightning from the sky and buried it deep under the earth. It still rumbles there, longing to escape."
—*Tales of the Ozolith*

Commander 2020

Vintage Masters

Whenever a player cycles a card, you may pay {1}. If you do, Lightning Rift deals 2 damage to target creature or player.

Magic Online Promos

Friday Night Magic 2004

You choose the target when Lightning Rift’s ability is put on the stack, but you choose whether to pay the mana as the ability resolves. Once you make that choice, no player may take actions until the damage is dealt and the ability has finished resolving.