:05 - Depending if you are going for the more serious style or the meme style, either go for typing exactly what you want in the bar of horribly screwing it up multiple times, but sped up footage so it doesn't take too long.
:15 - Edit directly past the ad from the Bjerg video.
:50 - Try to use pictures without white backgrounds or edit it out.
1:00 - Watch out for the stretching that happens here.
1:55 - it's instead of its
The entire middle part is irrelevant to someone wanting so see "Bjergsen inspired Cassiopeia". Consider shortening or removing parts of it. Also, avoid showing other people's faces in videos.
Overall, the video is fairly good. I personally disliked the music selection, but the gameplay was fine. Just remember that people are most likely to search for cass gameplay if they want to see cass gameplay, not a trip to Best Buy.