Pendulum Effect : If you have no card in your other Pendulum Zone: You can destroy this card, and if you do, Special Summon 1 face-up "Mythical Beast" Pendulum Monster from your Extra Deck, except "Mythical Beast Jackal King". You can only use this effect of "Mythical Beast Jackal King" once per turn.
Monster Effect : Each time a Spell Card is activated, place 2 Spell Counters on this card when that Spell resolves. Once per turn, when an opponent activates a monster effect (Quick Effect): You can remove 2 Spell Counters from your field; negate the activation, and if you do, destroy that card.