From b63623b40f48a52b1e9789a0e4d408a6c61626e1 Mon Sep 17 00:00:00 2001
From: Daniel Bomar <dbdaniel42@gmail.com>
Date: Sat, 23 Oct 2021 15:40:58 -0500
Subject: [PATCH] [AFC] Fixed Belt of Giant Strength cost reduction (fixes
 #8347)

---
 .../src/mage/cards/b/BeltOfGiantStrength.java | 28 +++++++++++++++----
 .../single/afc/BeltOfGiantStrengthTest.java   |  1 -
 2 files changed, 23 insertions(+), 6 deletions(-)

diff --git a/Mage.Sets/src/mage/cards/b/BeltOfGiantStrength.java b/Mage.Sets/src/mage/cards/b/BeltOfGiantStrength.java
index 72ccd75714..b16c69d1ff 100644
--- a/Mage.Sets/src/mage/cards/b/BeltOfGiantStrength.java
+++ b/Mage.Sets/src/mage/cards/b/BeltOfGiantStrength.java
@@ -51,10 +51,28 @@ enum BeltOfGiantStrengthAdjuster implements CostAdjuster {
 
     @Override
     public void adjustCosts(Ability ability, Game game) {
-        Permanent permanent = game.getPermanent(ability.getFirstTarget());
-        if (permanent == null) {
-            return;
+        if (game.inCheckPlayableState()) {
+            int maxPower = 0;
+            for (UUID permId : CardUtil.getAllPossibleTargets(ability, game)) {
+                Permanent permanent = game.getPermanent(permId);
+                if (permanent != null) {
+                    int power = permanent.getPower().getValue();
+                    if (power > maxPower) {
+                        maxPower = power;
+                    }
+                }
+            }
+            if (maxPower > 0) {
+                CardUtil.reduceCost(ability, maxPower);
+            }
+        } else {
+            Permanent permanent = game.getPermanent(ability.getFirstTarget());
+            if (permanent != null) {
+                int power = permanent.getPower().getValue();
+                if (power > 0) {
+                    CardUtil.reduceCost(ability, power);
+                }
+            }
         }
-        CardUtil.reduceCost(ability, Integer.max(permanent.getPower().getValue(), 0));
     }
-}
\ No newline at end of file
+}
diff --git a/Mage.Tests/src/test/java/org/mage/test/cards/single/afc/BeltOfGiantStrengthTest.java b/Mage.Tests/src/test/java/org/mage/test/cards/single/afc/BeltOfGiantStrengthTest.java
index 38262ef5d7..4fd9ab347b 100644
--- a/Mage.Tests/src/test/java/org/mage/test/cards/single/afc/BeltOfGiantStrengthTest.java
+++ b/Mage.Tests/src/test/java/org/mage/test/cards/single/afc/BeltOfGiantStrengthTest.java
@@ -42,7 +42,6 @@ public class BeltOfGiantStrengthTest extends CardTestPlayerBase {
         );
     }
 
-    @Ignore // currently failing, need to fix
     @Test
     public void testWithoutManaAvailable() {
         addCard(Zone.BATTLEFIELD, playerA, belt);