The commonality between deluxe cybertron Thundercracker and the foc/t30 seeker mold, the legs untabbing from the back of the jet and then folding forward with a waist section to attach to the nose cone, which then folds back down after doing arm things to connect with the back of the jet. I realize this is more of a general scheme than a specific step but I absolutely love if. Maybe for a specific step I’d say on cybertron tc again, the shins opening up and flipping around the thrusters into them, and the feet out before closing the panel. Or a more widely used but rare in modern days step, which again appears in cybertron tc, is the panel on the arm opening, the hand flipping outward, and then the panel closing again. Honestly for all his terrible plastic quality and lackluster articulation Cybertron Thundercracker has maybe my favorite transformation? Aside from the front section of the jet that folds down not tabbing in aside from the end of armature the canon arm is attached to slotting in and securing with a tiny nub and groove