Beastly Mirror Ritual is a Ritual 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, Beastly Mirror Ritual is Unlimited.
YGOPRODeck lists Beastly Mirror Ritual for these formats: OCG GOAT, Duel Links, TCG, OCG, Master Duel.
A listed print of Beastly Mirror Ritual appears in Premium Collection Tin (PRC1-EN002) at Super Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Beastly Mirror Ritual is about $0.22 on TCGPlayer (prices change frequently).
