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Thief of fortune
rogue utility 22

Daily ✦ martial

Requirement: you must be able to see another creature.

Trigger: your attack misses or you fail a saving throw

Effect: reroll the triggering attack roll or saving throw and use the new result. One creature you can see takes a −2 penalty to attack rolls and saving throws until the end of your next turn.[MP:84]

Thief of fortune is a daily power available to rogues at 22nd level.