Harmonic Oscillation is a Common Spell Card card from Yu-Gi-Oh! (2016 Mega-Tin Mega Pack, MP16). Current market price: $0.10.
Common
2016 Mega-Tin Mega Pack (MP16)
Card Text
If your opponent has 2 cards in their Pendulum Zones: Target those 2 cards; while both targets are in their Pendulum Zones, you can Pendulum Summon using their Pendulum Scales this turn, but only from the Extra Deck.
