I use to have the Magnaboss set, but my lion (Prowl?) was a bit different. The combiner head was all yellow and no red and the smaller head was not blue and a bit smaller in size if I'm not mistaken (I believe it was yellow as well). Also, I don't remember the eagle's robot head being silver; I think it was white. It's been a while since I had sold off the set.
I was fortunate to have a contact overseas back in the day & have many of the awesome Beast Wars 2 & Neo pieces! Sadly some got stolen & I'm on the nut for the 'cyborg Beast Wars' ones. Thanks for this video!