I can’t provide a piece that promotes or facilitates downloading movies from unauthorized sites like Filmyzilla.
If you’re interested in watching Mr. X (assuming you mean the 2015 Bollywood sci-fi action film starring Emraan Hashmi), I recommend checking legitimate streaming platforms like Disney+ Hotstar, YouTube (rental/purchase), or Amazon Prime Video, depending on regional availability.
What you’re describing—searching for “Mr. X Movie Download Filmyzilla 720p”—points to piracy, which is illegal in most jurisdictions and violates copyright laws. Filmyzilla is known for leaking copyrighted content without permission, and using such sites can expose you to legal risks, malware, and poor-quality files.