Number 91: Thunder Spark Dragon [REDU-EN098] Ultimate Rare Flip/Effect Monster If a creature is destroyed

If a creature is destroyed this way

"When he reached the entrance of the cavern

you can discard this card to negate its activation and destroy it

Set: Crucible of War Unlimited Edition: Unlimited Finish: Rainbow Foil Type: Weapon Subtype: Dagger (1H) Rarity: Rare Class: Ninja Power: 1 Once per Turn Action - [1 Resource]: Attack If you have a card in your pitch zone with cost 0

Phyrexian prophecies glowed on the Tree of Tales

Number 91: Thunder Spark Dragon [REDU-EN098] Ultimate Rare Flip/Effect Monster If a creature is destroyedSet: Return of the Duelist Card type: Xyz Effect Monster Rarity: Ultimate Rare Attack: 2400 Defense: 2000 3 Level 4 monsters Once per turn, you can activate 1 of these effects Detach 3 Xyz Materials from this card; destroy all other face up monsters on the field. Detach 5 Xyz Materials from this card; destroy all cards your opponent controls.