Blue Storm Karma Dragon, Maelstrom Reverse (RRR)

[AUTO](VC) Limit Break 4 (This ability is active if you have four or more damage):[Counter Blast (1) & Choose one of your rear-guards, [Rest] it, and lock it] When this unit attacks a vanguard, if it is the fourth battle of that turn or more, you may pay the cost. If you do, until end of that battle, this unit gets [Power]+5000/[Critical]+1 and [AUTO](VC): At the end of the battle that this unit attacked, if the attack did not hit during that battle, draw a card, choose one of your opponent's rear-guards, and retire it..
(The locked card is turned face down, and cannot do anything. It turns face up at the end of the owner's turn.)
[CONT](VC): If you have a card named Blue Storm Dragon, Maelstrom in your soul, this unit gets [Power]+2000.
[CONT](VC/RC): Lord (If you have a unit without a same clan as this unit, this unit cannot attack)