Wattcannon is a Continuous 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, Wattcannon is Unlimited.
YGOPRODeck lists Wattcannon for these formats: Duel Links, Common Charity, TCG, OCG, Master Duel.
Wattcannon belongs to the Watt archetype—use that tag when searching for engine pieces and tech options.
A listed print of Wattcannon appears in Duelist Revolution (DREV-EN071) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Wattcannon is about $0.10 on Cardmarket (prices change frequently).
