Get Out! 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, Get Out! is Unlimited.
YGOPRODeck lists Get Out! for these formats: TCG, OCG, Master Duel.
A listed print of Get Out! appears in 2020 Tin of Lost Memories Mega Pack (MP20-EN137) at Ultra Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Get Out! is about $0.27 on TCGPlayer (prices change frequently).
