Summon Breaker is a Field 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, Summon Breaker is Unlimited.
YGOPRODeck lists Summon Breaker for these formats: Duel Links, Common Charity, TCG, OCG, Master Duel.
A listed print of Summon Breaker appears in 2014 Mega-Tin Mega Pack (MP14-EN043) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Summon Breaker is about $0.74 on TCGPlayer (prices change frequently).
