Eradicator, Electric Shaper Dragon

BRWhen a Narukami rides this unit, choose your vanguard, and until end of turn, that unit gets +10000 and ":When your opponent's rear-guard is put into the drop zone due to an effect from one of your cards, choose one of your opponent's rear-guards in the back row of the same column as that retired unit, and retire it.". :When this unit attacks, if the number of cards in your opponent's damage zone is three or more, this unit gets +2000 until end of that battle. Lord