Separate names with a comma.
-1 Can be exploited and @konradminecraft "Jimmy" can hack accounts but maybe you can limit how many refferals per account like 1-4? and if for...
+1
+1 this would be nice as you can't see the time left until the arena starts/ how many players is in if someone standing infront of that sign but...
well you can always do /bal so this is not needed