Performapal Extra Slinger

[ Pendulum Effect ]r
During your Main Phase: You can inflict 300 damage to your opponent for each face-up Pendulum Monster in your Extra Deck. You can only use this effect of “Performapal Extra Slinger” once per turn. You cannot Pendulum Summon the turn you activate this effect.r
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[ Monster Effect ]r
Once per turn: You can banish 1 card from your Extra Deck, then target 1 card in a Pendulum Zone; destroy it, and if you do, inflict 300 damage to your opponent.