Comet Storm | Magic: The Gathering
Formats Comet Storm is Legal in
Official Oracle Text for Comet Storm
Choose target creature or player, then choose another target creature or player for each time Comet Storm was kicked. Comet Storm deals X damage to each of them.
Official Rulings for Comet Storm
3/1/2010 : Each target you choose must be different.
3/1/2010 : For example, if you want Comet Storm to deal 4 damage to each of three different targets, that means X is 4 and you're kicking the spell twice. You'll pay a mana cost of , plus a kicker cost of , plus another kicker cost of , for a total of .
3/1/2010 : As long as any of its targets are legal at the time Comet Storm resolves, Comet Storm will deal X damage to each of those legal targets.