Rock Slide
Oracle Text
Rock Slide deals X damage divided as you choose among any number of target attacking or blocking creatures without flying.
Card Rulings
10/4/2004 If X is greater than 0, you can’t choose zero targets. You must choose between one and X targets. If X is 0, you can’t choose any targets.
5 Creatures Attack
Can I Pay X = 3 and target all 5 attacking Creatures and Deal the whole 3 Damage to only one creature , even I have 5 Targeted Creatures?
I know usually it makes no sense to target a creature with 0 Damage but I have a target trigger which hopefully triggers for all 5 Creatures even only one of them gets 3 Damage.
Thanks in advance