Psychic Shockwave is a Normal Trap Card.
Trap Cards are normally Set first and can be activated on a later turn, often in response to an action.
On the current TCG and OCG Forbidden & Limited lists tracked here, Psychic Shockwave is Unlimited.
YGOPRODeck lists Psychic Shockwave for these formats: Duel Links, Speed Duel, Common Charity, TCG, OCG, Master Duel.
A listed print of Psychic Shockwave appears in Extreme Victory (EXVC-EN089) at Secret Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Psychic Shockwave is about $0.06 on Cardmarket (prices change frequently).
