Evilswarm Ketos [BPW2-EN050] Super Rare Judge Promotional Cards If a "Stardust" Synchro Monster

If a "Stardust" Synchro Monster you control would Tribute itself to activate its effect

Neither player can Tribute cards

When an opponent's monster declares an attack: You can banish 1 Spirit monster from your Graveyard

Set: Legendary Collection Kaiba Card type: Normal Spell Rarity: Secret Rare Target 1 Level 7 or 8 Dragon monster in your GY

Evilswarm Ketos [BPW2-EN050] Super Rare Judge Promotional Cards If a "Stardust" Synchro MonsterSet: Battle Pack 2: War of the Giants Round 2 Card type: Effect Monster Rarity: Super Rare Attack: 1750 Defense: 1050 You can Tribute this card then target 1 Spell Trap Card your opponent controls; destroy that target.