Doomcaliber Knight [TU01-EN001] Ultra Rare Premium Pack 2 Set: Shonen Jump Magazine Promos

Set: Shonen Jump Magazine Promos Card type: Effect Monster Rarity: Secret Rare Attack: 2400 Defense: 3000 This card cannot be Special Summoned

Set: Dark Revelation Volume 3 Card type: Fusion Monster Rarity: Rare Attack: 4200 Defense: 3700 "Big Koala" + "Des Kangaroo"

This card is not destroyed as a result of battle or by the effects of Spell or Trap Cards

Set: Strike of Neos Card type: Normal Monster Rarity: Ultimate Rare Attack: 2000 Defense: 100

and if they have the declared card in their hand

Doomcaliber Knight [TU01-EN001] Ultra Rare Premium Pack 2 Set: Shonen Jump Magazine PromosSet: Turbo Pack Booster One Pack Card type: Effect Monster Rarity: Ultra Rare Attack: 1900 Defense: 1800 This card cannot be Special Summoned. When an Effect Monster's effect is activated, you must Tribute this card. Negate that effect's activation and destroy the monster.