I flash in order:
Xiaomi.eu weekly ROM
Magisk zip (forum.xda-developers.com/apps/magisk/official-magisk-v7-universal-systemless-t3473445)
Xiaomi Safety Net Fix (forum.xda-developers.com/apps/magisk/xiaomi-safetynet-fix-t3600431)
Mind you, you have to make sure you don install any other root...