Key for us would be if Rak Sakyi is an intelligent and hard-working player. The shape and connection between the team are essential.
Have some concerns about Vanat. He's a good finisher, his movement is very good and both are very instinctive. Always seems to be picking up goals from rebounds or mistakes from defenders. However, my concerns are about the physical side of his game. He's not big so he'll struggle to hold the ball up against PL defenders and he doesn't have the raw speed to be a real threat in behind. He'd be good in a team that dominate the ball and create 2/3 good chances per game, i'm not sure that would be us.
Best way to judge would be to look at his Europa League games. Kyiv were very poor but he didn't exactly help that. Open mind though, goalscorers are hard to find.