From 7416cc8ffffa3c9b5778463d5cd974d713f8ef8f Mon Sep 17 00:00:00 2001
From: Agetian <stavdev@mail.ru>
Date: Wed, 25 Jan 2017 11:46:34 +0000
Subject: [PATCH] - Improvements to Phyrexian Dreadnought AI handling.

---
 forge-ai/src/main/java/forge/ai/SpecialCardAi.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/forge-ai/src/main/java/forge/ai/SpecialCardAi.java b/forge-ai/src/main/java/forge/ai/SpecialCardAi.java
index 1d781e0ae72..eb51855fe3c 100644
--- a/forge-ai/src/main/java/forge/ai/SpecialCardAi.java
+++ b/forge-ai/src/main/java/forge/ai/SpecialCardAi.java
@@ -378,13 +378,16 @@ public class SpecialCardAi {
     // Phyrexian Dreadnought
     public static class PhyrexianDreadnought {
         public static CardCollection reviseCreatureSacList(Player ai, SpellAbility sa, CardCollection choices) {
-            choices.sort(Collections.reverseOrder(CardLists.CmcComparatorInv));
+            choices.sort(Collections.reverseOrder(ComputerUtilCard.EvaluateCreatureComparator));
             int power = 0;
             List<Card> toKeep = Lists.newArrayList();
             for (Card c : choices) {
                 if (c.getName().equals(sa.getHostCard().getName())) {
                     continue; // not worth it sac'ing another Dreadnaught
                 }
+                if (c.getNetPower() < 1) {
+                    continue; // contributes nothing to Dreadnought requirements
+                }
                 if (power >= 12) {
                     break;
                 }