Force Storm

(A Force spell can only be cast if you control a
permanent with force sensitive. Each force
counter you remove from a permanent while
casting force spells pay for {1})
Deal X damage to each creature your opponents control, where X is the number of force counters
on permanents you control. Each creature dealt
damage this way cannot attack until your next
upkeep. If you control Darth Revan gain double
X life.