diff --git a/common/src/main/java/com/dfsek/terra/biome/pipeline/mutator/BorderMutator.java b/common/src/main/java/com/dfsek/terra/biome/pipeline/mutator/BorderMutator.java
index 46f829bca..39d825c7c 100644
--- a/common/src/main/java/com/dfsek/terra/biome/pipeline/mutator/BorderMutator.java
+++ b/common/src/main/java/com/dfsek/terra/biome/pipeline/mutator/BorderMutator.java
@@ -4,32 +4,29 @@ import com.dfsek.terra.api.math.ProbabilityCollection;
 import com.dfsek.terra.api.math.noise.samplers.NoiseSampler;
 import com.dfsek.terra.api.world.biome.TerraBiome;
 
-import java.util.Set;
-
 public class BorderMutator implements BiomeMutator {
-    private final Set<String> borders;
+    private final String border;
     private final NoiseSampler noiseSampler;
     private final ProbabilityCollection<TerraBiome> replace;
-    private final String tag;
+    private final String replaceTag;
 
-    public BorderMutator(Set<String> borders, String tag, NoiseSampler noiseSampler, ProbabilityCollection<TerraBiome> replace) {
-        this.borders = borders;
+    public BorderMutator(String border, String replaceTag, NoiseSampler noiseSampler, ProbabilityCollection<TerraBiome> replace) {
+        this.border = border;
         this.noiseSampler = noiseSampler;
         this.replace = replace;
-        this.tag = tag;
+        this.replaceTag = replaceTag;
     }
 
     @Override
     public TerraBiome mutate(ViewPoint viewPoint, double x, double z) {
         TerraBiome origin = viewPoint.getBiome(0, 0);
-        if(origin.getTags().contains(tag)) {
+        if(origin.getTags().contains(replaceTag)) {
             for(int xi = -1; xi <= 1; xi++) {
                 for(int zi = -1; zi <= 1; zi++) {
                     if(xi == 0 && zi == 0) continue;
                     TerraBiome current = viewPoint.getBiome(xi, zi);
                     if(current == null) continue;
-                    if(borders.stream().anyMatch(current.getTags()::contains))
-                        return replace.get(noiseSampler, x, z);
+                    if(current.getTags().contains(border)) return replace.get(noiseSampler, x, z);
                 }
             }
         }
diff --git a/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/BiomeProviderBuilderLoader.java b/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/BiomeProviderBuilderLoader.java
index 55afacc27..ac8a3fd44 100644
--- a/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/BiomeProviderBuilderLoader.java
+++ b/common/src/main/java/com/dfsek/terra/config/loaders/config/biome/BiomeProviderBuilderLoader.java
@@ -11,6 +11,7 @@ import com.dfsek.terra.biome.BiomeProvider;
 import com.dfsek.terra.biome.StandardBiomeProvider;
 import com.dfsek.terra.biome.pipeline.BiomePipeline;
 import com.dfsek.terra.biome.pipeline.expand.FractalExpander;
+import com.dfsek.terra.biome.pipeline.mutator.BorderMutator;
 import com.dfsek.terra.biome.pipeline.mutator.ReplaceMutator;
 import com.dfsek.terra.biome.pipeline.mutator.SmoothMutator;
 import com.dfsek.terra.biome.pipeline.source.RandomSource;
@@ -67,6 +68,11 @@ public class BiomeProviderBuilderLoader implements TypeLoader<BiomeProvider.Biom
                             String fromTag = mutator.get("from").toString();
                             ProbabilityCollection<TerraBiome> replaceBiomes = (ProbabilityCollection<TerraBiome>) loader.loadType(Types.TERRA_BIOME_PROBABILITY_COLLECTION_TYPE, mutator.get("to"));
                             pipelineBuilder.addStage(new MutatorStage(new ReplaceMutator(fromTag, replaceBiomes, mutatorNoise)));
+                        } else if(mutator.get("type").equals("BORDER")) {
+                            String fromTag = mutator.get("from").toString();
+                            String replaceTag = mutator.get("replace").toString();
+                            ProbabilityCollection<TerraBiome> replaceBiomes = (ProbabilityCollection<TerraBiome>) loader.loadType(Types.TERRA_BIOME_PROBABILITY_COLLECTION_TYPE, mutator.get("to"));
+                            pipelineBuilder.addStage(new MutatorStage(new BorderMutator(fromTag, replaceTag, mutatorNoise, replaceBiomes)));
                         } else throw new LoadException("No such mutator type \"" + mutator.get("type"));
                     } else throw new LoadException("No such mutator \"" + entry.getKey() + "\"");
                 }
diff --git a/common/src/test/java/biome/BiomeTest.java b/common/src/test/java/biome/BiomeTest.java
index 19306a93e..e83b4a4f7 100644
--- a/common/src/test/java/biome/BiomeTest.java
+++ b/common/src/test/java/biome/BiomeTest.java
@@ -17,7 +17,6 @@ import com.dfsek.terra.biome.pipeline.source.BiomeSource;
 import com.dfsek.terra.biome.pipeline.source.RandomSource;
 import com.dfsek.terra.biome.pipeline.stages.ExpanderStage;
 import com.dfsek.terra.biome.pipeline.stages.MutatorStage;
-import com.google.common.collect.Sets;
 import org.junit.jupiter.api.Test;
 
 import javax.swing.*;
@@ -70,7 +69,7 @@ public class BiomeTest {
                 .addStage(new ExpanderStage(new FractalExpander(whiteNoise(2))))
                 .addStage(new MutatorStage(new SmoothMutator(whiteNoise(3))))
                 .addStage(new ExpanderStage(new FractalExpander(whiteNoise(4))))
-                .addStage(new MutatorStage(new BorderMutator(Sets.newHashSet("OCEAN"), "LAND", whiteNoise(1234), beachBiomes)))
+                .addStage(new MutatorStage(new BorderMutator("OCEAN", "LAND", whiteNoise(1234), beachBiomes)))
                 .addStage(new ExpanderStage(new FractalExpander(whiteNoise(5))))
                 .addStage(new ExpanderStage(new FractalExpander(whiteNoise(5))))
                 .addStage(new MutatorStage(new SmoothMutator(whiteNoise(6))))