Black Rose Dragon (Ghost Rare) (CSOC-EN039) [Crossroads of Chaos] Jumbo Cards Whenever you would take damage

Whenever you would take damage from a card effect

the Defending Pokemon's attacks do 30 less damage (before applying Weakness and Resistance)

but their effects are negated

and Trap Card effects

Black Rose Dragon (Ghost Rare) (CSOC-EN039) [Crossroads of Chaos] Jumbo Cards Whenever you would take damageNumber: CSOC EN039 Rarity: Ghost Rare Attribute Monster Type Card Type: FIRE Dragon Synchro Effect Monster Level: 7 A D: 2400 1800 Description: 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.