Vestments of the Zephyr +3
Power (Daily): Standard Action. Summon a number of tornadoes equal to your Int Modifier. Gain +1 bonus to all your defenses until all tornadoes have been expended.
You may expend X tornadoes as a free action to gain +X to an attack roll.
You may expend X tornadoes as an immediate interrupt to gain a +X bonus to your AC.