[COTD] [G-BT14] Darkness Support

Today’s card of the day are two Darkness support cards.

G-BT14/087 C リボルティング・ボルト Revolting Bolt
Grade 1 / Normal Unit / Dark Zone – Dark Irregulars – Demon
Power 7000
Shield 5000
AUTO During your turn, if this card was put into your soul by a card effect, if you have a vanguard with the Darkness ability, choose one of your units, and it gets Power+4000 until the end of the turn.
CONT (RC) Generation Break 1 Darkness Resist

G-BT14/089 C ヴァクストーム・ヴァンピーア Wachstum Vampir
Grade 0 / Normal Unit / Dark Zone – Dark Irregulars – Vampire
Power 5000
Shield 10000
AUTO Forerunner
ACT (RC) Generation Break 1 Darkness [Counter Blast 1, put this unit into your soul, choose one of your other rear-guards, and retire it] Choose up to two grade 1 or greater units with the Darkness ability from your soul, and add them to your hand.