Gladiator's Return 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, Gladiator's Return is Unlimited.
YGOPRODeck lists Gladiator's Return for these formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
Gladiator's Return belongs to the Gladiator Beast archetype—use that tag when searching for engine pieces and tech options.
A listed print of Gladiator's Return appears in Gladiator's Assault (GLAS-EN059) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Gladiator's Return is about $0.10 on Cardmarket (prices change frequently).
