Instant, 4RR (6) You may exile a red card from your hand rather than pay Pyrokinesis's mana cost. Pyrokinesis deals 4 damage divided as you choose among any number of target creatures.1
Illus. Ron Spencer
10/4/2004: You can't do fractional points of damage.
10/1/2008: The number of targets must be at least 1 and at most 4. You divide the damage as you cast Pyrokinesis, not as it resolves. Each target must be assigned at least 1 damage.