Kid Guard 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, Kid Guard is Unlimited.
YGOPRODeck lists Kid Guard for these formats: Duel Links, Edison, TCG, OCG, Master Duel.
Kid Guard belongs to the Elemental HERO archetype—use that tag when searching for engine pieces and tech options.
A listed print of Kid Guard appears in Duelist Pack: Jaden Yuki 2 (DP03-EN030) at Super Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Kid Guard is about $0.23 on Cardmarket (prices change frequently).
