Complex sentence: Another faction, The Brood (Christian, Edge and Gangrel), was recruited to The Undertaker's service as well and then Undertaker made it clear that he wanted to own the WWF and oust Vince McMahon.
Split into simpler sentences: Another faction, The Brood (Edge, Christian, and Gangrel), was recruited to the Undertaker's service as well. Then, Undertaker made it clear that he wanted to own the WWF and oust Vince McMahon.