From 3352c94a53c1e7adeefbbc4e97c6df19f3a59f79 Mon Sep 17 00:00:00 2001
From: Agetian <stavdev@mail.ru>
Date: Sat, 8 Jul 2017 18:56:42 +0000
Subject: [PATCH] - AiAttackController: make sure that unblockedAttackers do
 not get added twice, which would result in the AI over-evaluating the
 potential attacker damage and becoming too confident in performing an all-in,
 resulting in a loss next turn.

---
 forge-ai/src/main/java/forge/ai/AiAttackController.java | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/forge-ai/src/main/java/forge/ai/AiAttackController.java b/forge-ai/src/main/java/forge/ai/AiAttackController.java
index 4dcf0aad097..b2b2b71b8ec 100644
--- a/forge-ai/src/main/java/forge/ai/AiAttackController.java
+++ b/forge-ai/src/main/java/forge/ai/AiAttackController.java
@@ -461,7 +461,12 @@ public class AiAttackController {
             remainingAttackers.remove(0);
             maxBlockersAfterCrew--;
         }
-        unblockedAttackers.addAll(remainingAttackers);
+        
+        for (Card remainingAttacker : remainingAttackers) {
+            if (!unblockedAttackers.contains(remainingAttacker)) {
+                unblockedAttackers.add(remainingAttacker);
+            }
+        }
         
         int trampleDamage = 0;
         for (Card attacker : blockedAttackers) {