Cyber Revsystem 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, Cyber Revsystem is Unlimited.
YGOPRODeck lists Cyber Revsystem for these formats: Duel Links, TCG, OCG, Master Duel.
Cyber Revsystem belongs to the Cyber Dragon archetype—use that tag when searching for engine pieces and tech options.
A listed print of Cyber Revsystem appears in 2019 Gold Sarcophagus Tin Mega Pack (MP19-EN118) at Super Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Cyber Revsystem is about $0.22 on Cardmarket (prices change frequently).
