Six stratagems, and the most important thing on this page is a price change.
Primed and Readied now costs 2 CP. Faction Pack v1.1 raised it from 1 CP. It scores Critical Hits on unmodified 5+ instead of only 6 for one unit that has not shot or fought. At 1 CP it was a stratagem you could spend every turn; at 2 CP it is a stratagem you spend once or twice a game. Any list you copied from before 22 July 2026 that leans on spamming it no longer works.
Coordinated Trap also costs 2 CP: two Genestealer Cults units that have not yet shot or fought both lock onto one enemy unit and add 1 to Wound rolls against it. In the Fight phase that enemy must be within Engagement Range of both. Expensive and decisive, and it is how a horde army concentrates enough damage to remove something that matters.
Tunnel Crawlers costs 1 CP and lets a unit arriving by Deep Strike be set up anywhere more than 6 inches horizontally from all enemy units, at the price of not being eligible to charge that turn. The Effect section was rewritten in this pack, and the pack's own FAQ confirms that you can target a unit that was set up using Cult Ambush without a marker.
Lying in Wait costs 1 CP and lets one GENESTEALER CULTS BATTLELINE unit in Cult Ambush be set up wholly within 6 inches of its marker rather than in base contact with it, and not within Engagement Range of any enemy. It converts a marker from a precise pin into a 6 inch landing zone, which is what makes an ambush survive an opponent screening the exact spot.
Return to the Shadows costs 1 CP and removes one GENESTEALER CULTS INFANTRY unit not within Engagement Range of any enemy, placing it into Strategic Reserves. Its When and Target sections were rewritten in this pack. When it comes back it is set up as Reinforcements, which turns the detachment rule on again, so this is the cycle stratagem.
A Deadly Snare costs 1 CP and fires just after an enemy declares a charge against one of your GENESTEALER CULTS INFANTRY units: roll a D6, on a 2-4 that enemy suffers D3 mortal wounds, on a 5+ it suffers 3. Note the 1 does nothing, so it is a gamble rather than a tax.