Tsabo's Decree (Antoine Ruel) [World Championship Decks 2001] Legendary Snow Land attach those monsters to it

attach those monsters to it as Xyz Materials

Set: Dark Revelation Volume 4 Card type: Normal Trap Rarity: Common Attack: 0 Defense: 0 Destroy 1 face-up monsteryou control

Set: Sun & Moon: Forbidden Light Type: Metal Rarity: Secret Rare Retreat cost: Colorless

Set: Dark Legends Card type: Effect Monster Rarity: Rare Attack: 1000 Defense: 2000 You can Tribute 1 monster to Inflict damage equal to half of its ATK to your opponent

then you can make 1 other "D/D" monster you control and this card gain 1800 ATK until the end of this turn

Tsabo's Decree (Antoine Ruel) [World Championship Decks 2001] Legendary Snow Land attach those monsters to itSet: World Championship Decks 2001 Type: Instant Rarity: Rare Cost: {5}{B} Choose a creature type. Target player reveals their hand and discards all creature cards of that type. Then destroy all creatures of that type that player controls. They can't be regenerated.