Squirm Deletor, Lourelou

:When this unit's drive check reveals a grade 3 card, until end of that battle this unit gets ":[Choose one of your grade 3 rear-guards with "Deletor" in its card name, and retire it] At the end of the battle that this unit attacked, you may pay the cost. If you do, delete all of your opponent's vanguards.". (The deleted unit is turned face down, its power becomes 0 and it loses all text. It turns face up at end of the owner's turn) :When this unit attacks a vanguard, this unit gets +3000 until end of that battle.