Avalon 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, Avalon is Unlimited.
YGOPRODeck lists Avalon for these formats: Duel Links, TCG, OCG, Master Duel.
Avalon belongs to the Noble Knight archetype—use that tag when searching for engine pieces and tech options.
A listed print of Avalon appears in 2015 Mega-Tin Mega Pack (MP15-EN053) at Super Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Avalon is about $0.10 on TCGPlayer (prices change frequently).
