Watch the video insider on the Kraken. In it, the PP staffer moves the Kraken with a +2 Spd, +2 Mat spell counter on it.
+2 Spd, +2 Mat in Cryx would be the spell Death Machine.
-Death Machine is target Warjack.
-It is a fully painted and assembled model, suggesting that it was not an early playtest game.
-Therefore, Collosals must have the warjack designator.
-Therefore, the choir, Iron Aggression, Escort, even jack bonds? Should work.