[AUTO](RC):When this unit attacks a vanguard, if you have a vanguard with "Raging" in its card name, this unit gets [Power]+2000 until end of that battle. Then, this unit gets "[AUTO](RC):[Counter Blast (1) & Retire this unit] At the end of your turn, you may pay the cost. If you do, search your deck for up to one <Abyss Dragon> with "Limit Break 4", reveal it, put it into your hand, and shuffle your deck." until end of turn.