Hero's Rule 2 is a Counter 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, Hero's Rule 2 is Unlimited.
YGOPRODeck lists Hero's Rule 2 for these formats: Duel Links, Edison, TCG, OCG, Master Duel.
A listed print of Hero's Rule 2 appears in Duelist Pack: Jaden Yuki 3 (DP06-EN025) at Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Hero's Rule 2 is about $0.52 on Cardmarket (prices change frequently).
