- LifeSetAi: Do not use this ability in case the amount the life is set to is the same as the AI's current life (e.g. Oketra's Last Mercy while the AI is already at the starting 20 life).

forge-ai/src/main/java/forge/ai/ability/LifeSetAi.java

@@ -94,7 +94,7 @@ public class LifeSetAi extends SpellAbilityAi {
                     }
                 }
             }
-            if (amount < myLife) {
+            if (amount <= myLife) {
                 return false;
             }
         }