Skyscraper [CRV-EN048] Ultimate Rare Ra Yellow Mega Pack Set: 2010 Duelist Pack Collection

Set: 2010 Duelist Pack Collection Tin Card type: Normal Trap Rarity: Ultra Rare Activate only when an opponent's monster declares an attack

Set: OTS Tournament Pack 5 Card type: Tuner/Effect Monster Rarity: Ultimate Rare Attack: 0 Defense: 1800 When a monster on the field activates its effect

or Special Summoned during the turn a Thunder monster's effect was activated in the hand

you randomly discard 1 card

Skyscraper [CRV-EN048] Ultimate Rare Ra Yellow Mega Pack Set: 2010 Duelist Pack CollectionSet: Cybernetic Revolution Card type: Field Spell Rarity: Ultimate Rare When a monster that includes "Elemental Hero" in its card name attacks, if its ATK is lower than the ATK of the attack target, increase the ATK of the attacking monster by 1000 points during damage calculation only.