Debunk [LC5D-EN255] Secret Rare 144 Set: European Land Program Type:

Set: European Land Program Type: Basic Land — Mountain Rarity: Common ({T}: Add {R}

If that target destroys a monster by battle and sends it to the Graveyard: Inflict damage to your opponent equal to the ATK of the destroyed monster in the Graveyard

{4}: Put a +1/+1 counter on Walking Ballista

Set: Wizards of the Coast: Black Star Promos Type: Item Rarity: Black Star Promo

and ponderings

Debunk [LC5D-EN255] Secret Rare 144 Set: European Land Program Type:Set: Legendary Collection 5D's Card type: Counter Trap Rarity: Secret Rare Attack: 0 Defense: 0 When a monster effect is activated in the hand or Graveyard: Negate the activation, and if you do, banish it.