Perdition Dragon, Pain Laser Dragon (RRR)

[ACT](VC): Legion20000 Perdition Dragon, Menace Laser Dragon (If your opponent's vanguard is grade 3 or greater, this unit may return four cards from your drop zone into your deck once, search your deck for the specified card, and Legion)
[AUTO](VC):[Counter Blast (1)] When this unit Legion, you may pay the cost. If you do, choose one of your opponent's rear-guards, and retire all of your opponent's rear-guards in the same column as that unit.
[AUTO](VC):[Soul Blast (1)] When this unit attacks a vanguard, you may pay the cost. If you do, this unit gets [Power]+3000 until end of battle.