Horus the Black Flame Dragon LV8 [SOD-EN008] Ultimate Rare YGO they must discard all copies

they must discard all copies of it in their hand

If this card's effect destroys a monster

Set: Return of the Duelist Card type: Xyz/Effect Monster Rarity: Secret Rare Attack: 2300 Defense: 1500 2 Level 4 monsters Once per turn: You can detach 1 Xyz Material from this card

you cannot Special Summon monsters for the rest of this turn

when a monster would be Summoned

Horus the Black Flame Dragon LV8 [SOD-EN008] Ultimate Rare YGO they must discard all copiesSet: Soul of the Duelist Card type: Effect Monster Rarity: Ultimate 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.