Tyrant Farm 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, Tyrant Farm is Unlimited.
YGOPRODeck lists Tyrant Farm for these formats: Common Charity, TCG, OCG, Master Duel.
A listed print of Tyrant Farm appears in 2020 Tin of Lost Memories Mega Pack (MP20-EN199) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Tyrant Farm is about $0.02 on Cardmarket (prices change frequently).
