Ormur Sem Verndar Tungl (DZ-BT08/FR23EN) [DZ-BT08: Knights 0f Rebirth]

Play this if you have a grade 3 or greater vanguard with "Veissrugr" in its card name! Choose one of your opponent's rear-guards, retire it, and all of your vanguards get "[AUTO](VC)[1/Turn]:When your rear-guard with "Mythisch" in its card name is placed on (RC) by this unit's ability, until end of turn, the cost of that unit's original [AUTO] abilities is reduced by [Counter-Blast 1]." until end of turn.