[AUTO] Limit Break 4 (This ability is active if you have four or more damage):[Counter Blast (1)] When an «Aqua Force» rides this unit, you may pay the cost. If you do, choose your vanguard, and until end of turn, that unit gets [Power]+10000, and "[AUTO](VC):When this unit attacks a vanguard, if it is the fourth battle of that turn or more, draw two cards, choose one of your opponent's rear-guards, and retire it.". [AUTO](VC):When this unit attacks a vanguard, this unit gets [Power]+2000 until end of that battle.