Phantom Token is a Fiend Token.
Read the full card text for activation timing, costs, and once-per-turn limits before you slot it in a deck.
On the current TCG and OCG Forbidden & Limited lists tracked here, Phantom Token is Unlimited.
YGOPRODeck lists Phantom Token for these formats: Duel Links, Speed Duel.
Among markets shown on this page, the lowest listed snapshot for Phantom Token is about $0.99 on eBay (prices change frequently).
