I know there is a particular mod, but I didn't use it because I'm not a fan of Fire Emblem. In general, if you fundamentally play with your friends and only the best recommendation would be to throw away all these public servers and make your own server. Or rent a realm where you can play and set the rules and mods only yourself. Finding an adequate server turned out to be another task. To be honest, after flipping through more than 200-300 servers, I could not find a decent one and went to the server that I chose from the minecraft.buzz list. And, in principle, I feel good.