K9-00 "Hound"

2 Level 5 monsters Cannot be destroyed by battle or your opponent's card effects the turn it is Special Summoned. Each time your opponent activates a monster effect, this card gains 500 ATK when that effect resolves. Once per turn, during the Standby Phase: You can detach 1 material from this card, then target 1 card on the field; banish it.