Horus the Black Flame Dragon LV8 [SOD-EN008] Ultra Rare P-361 You can only use this

You can only use this effect of "Gwenhwyfar

The Pokémon Trading Card Game: Celebrations Collector Chest includes:

for the rest of this turn

Celebrate the darker side of Sylveon with this unique look at the Intertwining Pokémon

Turn your discards into damage with the star Pokémon's Dragon Pulse and Spiral Burst attacks

Horus the Black Flame Dragon LV8 [SOD-EN008] Ultra Rare P-361 You can only use thisSet: Soul of the Duelist Card type: Effect Monster Rarity: Ultra Rare Attack: 3000 Defense: 1800 This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by the effect of "Horus the Black Dragon LV6". As long as this card remains face up on your side of the field, you can negate the activation and effect of any Spell Card and destroy them.