I think you will be disappointed as the only way to buy the number of players you list is to buy lots of mediocre players for £30m each.
Our aim has to be to improve the squad and that means buying a smaller number of good experienced players (say another 4 after Robertson and Seesi ), probably paying a lot more than £30m for each player, and if necessary add a few youth (eg Vuskovic, Devine, Lankshear) whilst offloading maybe 10 players - Vicario, Romero, Dragusin, Davies, Bissouma, Palhinha, Sarr, Kolo Muani, Richalison, Solomon - so we end up with a technically better squad to play the less than 50 games next season rather than the 60 games with europe we played last season.
Sure, not every area of the squad is upgraded - that can only be done over a few transfer windows - but the right players in will make a big difference. Swapping out the players listed above for similar levels will not