Card Text:
[ACT](VC) Limit Break 4 (This ability is active if you have four or more damage): [Counter Blast (2)] Until end of turn, this unit gets [Power]+3000 and "[AUTO](VC): When this unit's attack hits a vanguard, if it is the fourth battle of that turn or more, retire all of your opponent's rear-guards.".
[AUTO](VC): When this unit attacks a vanguard, this unit gets [Power]+3000 until end of that battle.