Witch Doctor of the Dead Sea, Negrobolt (R)

[ACT](VC): Legion20000 Dragon Undead, Ghoul 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) & Choose one of your rear-guards, and retire it] When this unit attacks a vanguard, if this unit is Legion, you may pay the cost. If you do, choose one card from your drop zone, and call it to (RC).
[AUTO](VC):When this unit attacks a vanguard, if you have another unit in the center column, this unit gets [Power]+3000 until end of that battle.