Advice on Consultation and in general

How can I get David Luiz to 10 Chem without swapping Pogba and casemiro? Plus upgrade ideas 400-500k

UPGRADES: budget about 200-300k currently bringing flashback zlatan on after 1 min, taking Mahrez off and putting Rivaldo RW and Agüero LW

Are domestic MOTM cards worth keeping, packed Cillessen and not sure whether to sell or not.

800k budget, need help finishing this team, in game I play a 4-1-2-1-2 diamond with ibra flashback coming on straight away and firminio the second striker, don’t know whether to buy an icon or spread the money on IFs.

Upgrades? 500k Budget

Goalkeeper choice