Black Rose Dragon [CSOC-EN039] Ghost Rare Union/Effect Monster cannot be used

cannot be used

this card gains the following effect

Set: Force of the Breaker Card type: Effect Monster Rarity: Secret Rare Attack: 2800 Defense: 1000 This card cannot be Special Summoned

also their effects are negated

Black Rose Dragon [CSOC-EN039] Ghost Rare Union/Effect Monster cannot be usedSet: Crossroads of Chaos Card type: Synchro Effect Monster Rarity: Ghost Rare Attack: 2400 Defense: 1800 1 Tuner + 1 or more non Tuner monsters When this card is Synchro Summoned, you can destroy all cards on the field. Once per turn, you can remove from play 1 Plant Type monster from your Graveyard to change 1 monster your opponent controls to face up Attack Position, and reduce its ATK to 0 until the End Phase.