Minecraft Potpvp Servers
Potpvp Minecraft Servers
Servers that allow potions in player vs player combat. This adds and extra variable to pvp, which in turn makes pvp more challenging.
Can't find a server that you like? Maybe it's time for you to create your own so you can make it exactly how you like.
If that sounds interesting, visit Gameserverkings. They can host it for you and help you set it up.