Wave-Motion Cannon [CP05-EN004] Super Rare BT2-108 Set: Tournament Promotion Cards Era:

Set: Tournament Promotion Cards Era: Universe Survival Saga Rarity: Promo Game character: Kale Color: Yellow Card type: Battle Power: 20000 Combo power: 5000

the ATK/DEF of those changed monsters become 0

When an opponent's monster declares a direct attack

Set: Astral Pack 8 Card type: Continuous Trap Rarity: Ultimate Rare Activate this card by targeting 1 Effect Monster on the field

You can only use this effect of "Danger

Wave-Motion Cannon [CP05-EN004] Super Rare BT2-108 Set: Tournament Promotion Cards Era:Set: Champion Pack 5 Card type: Continuous Spell Rarity: Super Rare During your Main Phase, you can send this card to the Graveyard to inflict 1000 damage to your opponent for each of your Standby Phases that have passed since this card was activated.