Burst Stream of Destruction [LCKC-EN025] Secret Rare ST5-13 but they cannot be used

but they cannot be used as Synchro Material

you may suspend this Tamer to trash the bottom digivolution card of 1 of your opponent's Digimon

Set: Draconic Roar Card type: Digimon Rarity: Super Rare Digi type: Cyborg/D-Brigade Play Cost: 13 Form: Mega Attribute: Virus Digivolve Cost: 5 Digivolve Cost Level: 5 When you would digivolve into this card

and Tom Roberts have an idea

Set: Xros Encounter Pre-Release Cards Card type: Tamer Rarity: Rare Play Cost: 4 [Start of Your Turn] If you have 2 memory or less

Burst Stream of Destruction [LCKC-EN025] Secret Rare ST5-13 but they cannot be usedSet: Legendary Collection Kaiba Card type: Normal Spell Rarity: Secret Rare If you control "Blue Eyes White Dragon": Destroy all monsters your opponent controls. "Blue Eyes White Dragon" cannot attack the turn you activate this card.