Phalanx Pike is a Equip 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, Phalanx Pike is Unlimited.
YGOPRODeck lists Phalanx Pike for these formats: Duel Links, Edison, TCG, OCG, Master Duel.
A listed print of Phalanx Pike appears in Tactical Evolution (TAEV-EN059) at Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Phalanx Pike is about $0.87 on Cardmarket (prices change frequently).
