"Eenie, meenie, minie, moe . . . oh, why not all of them?"
—Jaya Ballard, task mage

Meteor Shower

Meteor Shower deals X plus 1 damage divided as you choose among any number of targets.

Masters Edition II

Meteor Shower deals X plus 1 damage divided as you choose among any number of target creatures and/or players.

"Eenie, meenie, minie, moe . . . oh, why not all of them?"
—Jaya Ballard, Task Mage

Ice Age

Meteor Shower deals X+1 damage divided any way you choose among any number of target creatures and/or players.

You can’t choose to do fractional damage to a target.

A tip on how this math works: To deal a total of 1 damage, X is 0. The cost is {0} + {0} + {R} = {R}. To deal a total of 2 damage, X is 1. The cost is {1} + {1} + {R} = {2}{R}. To deal a total of 3 damage, X is 2. The cost is {2} + {2} + {R} = {4}{R}. And so on.

You divide the damage as you cast Meteor Shower, not as it resolves. Each target must be assigned at least 1 damage.