Knight of Severity, Cliodhna

:When this unit would be retired for the cost of the ability of your vanguard with "Blaster" in its card name, it may be regarded as retiring two rear-guards. :When this unit is retired by the ability of your vanguard with "Blaster" in its card name during your turn, if your opponent's vanguard is grade 3 or greater, choose one of your "Blaster Dark" on , and until end of turn, it gets ":When this unit attacks, [discard a card from hand], and this unit performs drive checks until end of that battle. At the end of battle, retire this unit.".