diff --git a/forge-ai/src/main/java/forge/ai/ability/DamageDealAi.java b/forge-ai/src/main/java/forge/ai/ability/DamageDealAi.java
index 3b08e0160d6..8c2df450d8b 100644
--- a/forge-ai/src/main/java/forge/ai/ability/DamageDealAi.java
+++ b/forge-ai/src/main/java/forge/ai/ability/DamageDealAi.java
@@ -100,7 +100,6 @@ public class DamageDealAi extends DamageAiBase {
 
     @Override
     protected boolean canPlayAI(Player ai, SpellAbility sa) {
-
         final Cost abCost = sa.getPayCosts();
         final Card source = sa.getHostCard();
         final String sourceName = ComputerUtilAbility.getAbilitySourceName(sa);
diff --git a/forge-game/src/main/java/forge/game/ability/AbilityUtils.java b/forge-game/src/main/java/forge/game/ability/AbilityUtils.java
index 82f1ed8fc78..dc6ad094dd8 100644
--- a/forge-game/src/main/java/forge/game/ability/AbilityUtils.java
+++ b/forge-game/src/main/java/forge/game/ability/AbilityUtils.java
@@ -805,9 +805,9 @@ public class AbilityUtils {
                     final SpellAbility root = sa.getRootAbility();
                     list = new CardCollection((Card) root.getReplacingObject(AbilityKey.fromString(calcX[0].substring(8))));
                 }
-                // there could be null inside!
-                list = Iterables.filter(list, Card.class);
                 if (list != null) {
+                    // there could be null inside!
+                    list = Iterables.filter(list, Card.class);
                     val = handlePaid(list, calcX[1], card, ability);
                 }
             }
@@ -3390,7 +3390,6 @@ public class AbilityUtils {
         return doXMath(n, CardFactoryUtil.extractOperators(s), source, ctb);
     }
 
-
     /**
      * <p>
      * handlePaid.
diff --git a/forge-game/src/main/java/forge/game/player/PlayerProperty.java b/forge-game/src/main/java/forge/game/player/PlayerProperty.java
index f28ca0692d4..2d56c9676e1 100644
--- a/forge-game/src/main/java/forge/game/player/PlayerProperty.java
+++ b/forge-game/src/main/java/forge/game/player/PlayerProperty.java
@@ -17,7 +17,6 @@ import forge.util.TextUtil;
 public class PlayerProperty {
 
     public static boolean playerHasProperty(Player player, String property, Player sourceController, Card source, CardTraitBase spellAbility) {
-
         Game game = player.getGame();
         if (property.equals("You")) {
             if (!player.equals(sourceController)) {
@@ -382,7 +381,7 @@ public class PlayerProperty {
                 return false;
             }
         } else if (property.equals("castSpellThisTurn")) {
-            if (player.getSpellsCastThisTurn() > 0) {
+            if (player.getSpellsCastThisTurn() == 0) {
                 return false;
             }
         } else if (property.equals("attackedWithCreaturesThisTurn")) {
diff --git a/forge-gui/res/cardsfolder/m/monoskelion.txt b/forge-gui/res/cardsfolder/m/monoskelion.txt
index be1e58da78b..0ca2ae3045e 100644
--- a/forge-gui/res/cardsfolder/m/monoskelion.txt
+++ b/forge-gui/res/cardsfolder/m/monoskelion.txt
@@ -3,6 +3,6 @@ ManaCost:2
 Types:Artifact Creature Construct
 PT:1/1
 K:etbCounter:P1P1:1
-A:AB$ DealDamage | AILogic$ Triskelion | Cost$ SubCounter<1/P1P1> | ValidTgts$ Creature,Player,Planeswalker | TgtPrompt$ Select any target | NumDmg$ 1 | SpellDescription$ CARDNAME deals 1 damage to any target.
+A:AB$ DealDamage | AILogic$ Triskelion | Cost$ 1 SubCounter<1/P1P1> | ValidTgts$ Creature,Player,Planeswalker | TgtPrompt$ Select any target | NumDmg$ 1 | SpellDescription$ CARDNAME deals 1 damage to any target.
 DeckHas:Ability$Counters
-Oracle:Monoskelion enters the battlefield with a +1/+1 counter on it.\nRemove a +1/+1 counter from Monoskelion: It deals 1 damage to any target.
+Oracle:Monoskelion enters the battlefield with a +1/+1 counter on it.\n{1}, Remove a +1/+1 counter from Monoskelion: It deals 1 damage to any target.