diff --git a/forge-ai/src/main/java/forge/ai/ComputerUtil.java b/forge-ai/src/main/java/forge/ai/ComputerUtil.java
index ef5bf350015..8afe5ad86fb 100644
--- a/forge-ai/src/main/java/forge/ai/ComputerUtil.java
+++ b/forge-ai/src/main/java/forge/ai/ComputerUtil.java
@@ -2635,8 +2635,8 @@ public class ComputerUtil {
                 // and also on Chronozoa
                 || (type == CounterType.TIME && (!c.isInPlay() || "Chronozoa".equals(c.getName())))
                 || type == CounterType.GOLD || type == CounterType.MUSIC || type == CounterType.PUPA
-                || type == CounterType.PARALYZATION || type == CounterType.SHELL || type == CounterType.SLEEP 
-                || type == CounterType.SLEIGHT || type == CounterType.WAGE;
+                || type == CounterType.PARALYZATION || type == CounterType.SHELL || type == CounterType.SLEEP
+                || type == CounterType.SLUMBER || type == CounterType.SLEIGHT || type == CounterType.WAGE;
     }
 
     // this countertypes has no effect
diff --git a/forge-game/src/main/java/forge/game/card/CounterType.java b/forge-game/src/main/java/forge/game/card/CounterType.java
index fcf5e5fee84..a1a902c0b2a 100644
--- a/forge-game/src/main/java/forge/game/card/CounterType.java
+++ b/forge-game/src/main/java/forge/game/card/CounterType.java
@@ -245,6 +245,8 @@ public enum CounterType {
 
     SLEEP("SLEEP", 178, 192, 255),
 
+    SLUMBER("SLUMBER", 178, 205, 255),
+
     SLEIGHT("SLGHT", 185, 174, 255),
 
     SLIME("SLIME", 101, 220, 163 ),
diff --git a/forge-gui/res/cardsfolder/upcoming/arixmethes_slumbering_isle.txt b/forge-gui/res/cardsfolder/upcoming/arixmethes_slumbering_isle.txt
new file mode 100644
index 00000000000..c52e81e481f
--- /dev/null
+++ b/forge-gui/res/cardsfolder/upcoming/arixmethes_slumbering_isle.txt
@@ -0,0 +1,12 @@
+Name:Arixmethes, Slumbering Isle
+ManaCost:2 G U
+Types:Legendary Creature Kraken
+PT:12/12
+K:ETBReplacement:Other:LandTapped
+SVar:LandTapped:DB$ Tap | Defined$ Self | SubAbility$ DBAddCounter | ETB$ True | SpellDescription$ CARDNAME enters the battlefield tapped with five slumber counters on it.
+SVar:DBAddCounter:DB$ PutCounter | Defined$ Self | ETB$ True | CounterType$ SLUMBER | CounterNum$ 5
+S:Mode$ Continuous | Affected$ Card.Self+counters_GE1_SLUMBER | AddType$ Land | RemoveCardTypes$ True | Description$ As long as CARDNAME has a slumber counter on it, it's a land. (It's not a creature.)
+T:Mode$ SpellCast | ValidCard$ Card | ValidActivatingPlayer$ You | Execute$ TrigRemoveCounter | TriggerZones$ Battlefield | OptionalDecider$ You | TriggerDescription$ Whenever you cast a spell, you may remove a slumber counter from CARDNAME.
+SVar:TrigRemoveCounter:DB$RemoveCounter | Defined$ Self | CounterType$ SLUMBER | CounterNum$ 1
+A:AB$ Mana | Cost$ T | Produced$ G U | SpellDescription$ Add {G}{U}.
+Oracle:Arixmethes, Slumbering Isle enters the battlefield tapped with five slumber counters on it.\nAs long as Arixmethes has a slumber counter on it, it's a land. (It's not a creature.)\nWhenever you cast a spell, you may remove a slumber counter from Arixmethes.\n{T}: Add {G}{U}.