From 95e62035aa9642a74301a129be0f31dc6a303e89 Mon Sep 17 00:00:00 2001
From: TRT <>
Date: Tue, 30 Nov 2021 10:35:44 +0100
Subject: [PATCH] Improve activateForCost

---
 forge-ai/src/main/java/forge/ai/ComputerUtil.java         | 2 +-
 forge-ai/src/main/java/forge/ai/ability/ChangeZoneAi.java | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/forge-ai/src/main/java/forge/ai/ComputerUtil.java b/forge-ai/src/main/java/forge/ai/ComputerUtil.java
index 6e610e748ff..0970d893dc8 100644
--- a/forge-ai/src/main/java/forge/ai/ComputerUtil.java
+++ b/forge-ai/src/main/java/forge/ai/ComputerUtil.java
@@ -1323,7 +1323,7 @@ public class ComputerUtil {
         } else if (sa.isPwAbility() && ai.getGame().getPhaseHandler().is(PhaseType.MAIN2)) {
             for (final CostPart part : abCost.getCostParts()) {
                 if (part instanceof CostPutCounter) {
-                    return true;
+                    return part.convertAmount() == null || part.convertAmount() > 0 || ai.isCardInPlay("Carth the Lion");
                 }
             }
         }
diff --git a/forge-ai/src/main/java/forge/ai/ability/ChangeZoneAi.java b/forge-ai/src/main/java/forge/ai/ability/ChangeZoneAi.java
index 1b75bbdda28..9530308fe7f 100644
--- a/forge-ai/src/main/java/forge/ai/ability/ChangeZoneAi.java
+++ b/forge-ai/src/main/java/forge/ai/ability/ChangeZoneAi.java
@@ -379,7 +379,7 @@ public class ChangeZoneAi extends SpellAbilityAi {
                 list = CardLists.getValidCards(list, type, source.getController(), source, sa);
             }
 
-            if (!activateForCost || list.isEmpty()) {
+            if (!activateForCost && list.isEmpty()) {
                 return false;
             }
             if ("Atarka's Command".equals(sourceName)