Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies. Copies become tokens.) attacks, until end of turn, another target attacking creature gains
flying (This creature can't be blocked except by creatures with flying or reach.) and gets +X/+0, where X is Storm's} power.
Whenever a creature with flying attacks you, Storm deals damage equal to her power to that creature.