I gave you a like because the EU does have cash, but, Germany is the biggest contributor followed I believe by France. Both countries give Russia billions in roubles for gas thus massively reducing the impact of EU sanctions. I understand why it is necessary for them to do this but the impact remains.They do have financial clout though. And that’s were we have to hurt them. The only worry is that if he feels Kaliningrad ( formerly Konigsburg) is getting too isolated he’ll feel obliged to take action.
Konigsberg is vital to Russia because of the Black Sea fleet, it is also a running sore to NATO and it could become quite challenging in the area over the coming weeks.