Royal Oppression [DB2-EN200] Rare 18a This card cannot be Special

This card cannot be Special Summoned except by the effect of "Horus the Black Dragon LV6

Set: Sword & Shield: Vivid Voltage Type: Supporter Rarity: Secret Rare

Set: Black and White Promos Type: Lightning Rarity: Rare Retreat cost: 1 [L] Quick Attack (10+)

you can Normal Summon it to have it be treated as an Effect Monster with this effect: - Once per turn

Royal Oppression [DB2-EN200] Rare 18a This card cannot be SpecialSet: Dark Beginning 2 Card type: Continuous Trap Rarity: Rare Pay 800 Life Points to negate a Special Summon of a monster and the effect of a card that Special Summons a monster and destroy it. Both you and your opponent can use this effect as long as this card remains face up on the field.