Cards of the Red Stone is a Normal 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, Cards of the Red Stone is Unlimited.
YGOPRODeck lists Cards of the Red Stone for these formats: Duel Links, Common Charity, TCG, OCG, Master Duel.
Cards of the Red Stone belongs to the Red-Eyes archetype—use that tag when searching for engine pieces and tech options.
A listed print of Cards of the Red Stone appears in Clash of Rebellions (CORE-EN060) at Ultra Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Cards of the Red Stone is about $0.18 on TCGPlayer (prices change frequently).
