Mythical Beast Garuda

[ Pendulum Effect ]r
If you have no cards in your other Pendulum Zone: You can target 1 other Spell/Trap on the field; destroy both it and this card. You can only use this effect of “Mythical Beast Garuda” once per turn.r
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[ Monster Effect ]r
Each time a Spell Card is activated, place 1 Spell Counter on this card when that Spell resolves. When your opponent Normal or Special Summons a monster(s) (except during the Damage Step): You can remove 3 Spell Counters from your field; Special Summon this card from your hand, then return the opponent’s Summoned monster(s) to the hand. You can only use this effect of “Mythical Beast Garuda” once per turn.