Ancient Castle Guardian Nocturna

Englisch | Unlimitiert

[LV I] [LV II] [LV III] While This Spirit Attacks [Curse] [LV I]
[LV II] [LV III] When Destroyed Select two of your opponent's spirits. Remove one core from each of those spirits and place them into their reserve. Place a core from the void into your reserve for each of your opponent's spirits destroyed by this effect.
[LV III] While This Spirit Attacks
You may exhaust one of your Amethyst Sanctuary nexuses to select a spirit card wirth Core from your trash and summon it.