Pop-Up is a Quick-Play 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, Pop-Up is Unlimited.
YGOPRODeck lists Pop-Up for these formats: Duel Links, TCG, OCG, Master Duel.
A listed print of Pop-Up appears in Duelist Alliance (DUEA-EN067) at Short Print rarity.
Among markets shown on this page, the lowest listed snapshot for Pop-Up is about $0.11 on TCGPlayer (prices change frequently).
