Mad Monkey Wobbles
Rule number one is to not get hit. Stop getting hit!
Grandmaster Training 840 gp
Utility Power Encounter (Move Action)
Effect: You move up to your speed and gain a +4 power bonus to AC and Reflex during this movement. If the next melee attack you make this turn hits, you can use the attack result as your defense against the next attack made against your AC or Reflex before the end of your next turn.
Published in Dragon Magazine 404.