Dark Catapulter (SGX2-ENA07) [Speed Duel GX: Midterm Paradox]

Once per turn, during your Standby Phase, if this card is in Defense Position: Place 1 counter on this card. You can banish cards in your GY equal to the number of counters on this card, then target that many Spells/Traps on the field; destroy them, then remove all counters from this card.