Venom Swamp is a Field Spell Card.
Spell Cards are usually activated from the hand on your turn unless their type gives another timing window.
On the current TCG and OCG Forbidden & Limited lists tracked here, Venom Swamp is Unlimited.
YGOPRODeck lists Venom Swamp for these formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
Venom Swamp belongs to the Venom archetype—use that tag when searching for engine pieces and tech options.
A listed print of Venom Swamp appears in Legendary Collection 2: The Duel Academy Years Mega Pack (LCGX-EN216) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Venom Swamp is about $0.16 on Cardmarket (prices change frequently).
