Grendel, Suffocating Spitdemon Lord (ESD1-007 SR) [Descent into the Raven's Catacombs]

[Flying] [Bane] [Vileborn] (4) You pay 1 less to play this card for each different name among magic stones you control. [Enter] Choose up to two resonators your opponent controls with DEF less than the ATK of this card. Destroy the chosen resonators. [Rune] BBB - You may play this card from your graveyard.