[J-Activate] Pay . Play this ability only if you control " Grusbalesta, the Sealing Stone ".

[J-Activate] Pay .

[Activate] : Target resonator gains [-300/-300] until end of turn.

The black prophecy foretells of a dire future.

• Number: TAT-079
• Rarity: Rare
• Type: Ruler
• Attribute: Darkness
• Race: Prophet