First Step Towards Infestation is a Quick-Play 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, First Step Towards Infestation is Unlimited.
YGOPRODeck lists First Step Towards Infestation for these formats: Duel Links, TCG, OCG, Master Duel.
First Step Towards Infestation belongs to the Infestation archetype—use that tag when searching for engine pieces and tech options.
A listed print of First Step Towards Infestation appears in Duel Terminal 5b (DT05-EN093) at Duel Terminal Normal Parallel Rare rarity.
Among markets shown on this page, the lowest listed snapshot for First Step Towards Infestation is about $0.15 on Cardmarket (prices change frequently).
