Commander of Swords is a Normal Trap Card.
Trap Cards are normally Set first and can be activated on a later turn, often in response to an action.
On the current TCG and OCG Forbidden & Limited lists tracked here, Commander of Swords is Unlimited.
YGOPRODeck lists Commander of Swords for these formats: Duel Links, Common Charity, TCG, OCG, Master Duel.
A listed print of Commander of Swords appears in Galactic Overlord (GAOV-EN068) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Commander of Swords is about $0.09 on Cardmarket (prices change frequently).
