diff --git a/Mage.Sets/src/mage/cards/b/BiomancersFamiliar.java b/Mage.Sets/src/mage/cards/b/BiomancersFamiliar.java
index ced7a58d5f..b6e4df29f6 100644
--- a/Mage.Sets/src/mage/cards/b/BiomancersFamiliar.java
+++ b/Mage.Sets/src/mage/cards/b/BiomancersFamiliar.java
@@ -58,7 +58,7 @@ public final class BiomancersFamiliar extends CardImpl {
 class BiomancersFamiliarCostReductionEffect extends CostModificationEffectImpl {
 
     private static final String effectText = "Activated abilities of creatures you control cost {2} less to activate. " +
-            "This effect can't reduce the amount of mana an ability costs to activate to less than one mana";
+            "This effect can't reduce the mana in that cost to less than one mana";
 
     BiomancersFamiliarCostReductionEffect() {
         super(Duration.Custom, Outcome.Benefit, CostModificationType.REDUCE_COST);
@@ -155,4 +155,4 @@ class BiomancersFamiliarReplacementEffect extends ReplacementEffectImpl {
         discard();
         return false;
     }
-}
\ No newline at end of file
+}
diff --git a/Mage.Sets/src/mage/cards/h/Heartstone.java b/Mage.Sets/src/mage/cards/h/Heartstone.java
index da3828a014..f2dabae26c 100644
--- a/Mage.Sets/src/mage/cards/h/Heartstone.java
+++ b/Mage.Sets/src/mage/cards/h/Heartstone.java
@@ -46,7 +46,7 @@ public final class Heartstone extends CardImpl {
 
 class HeartstoneEffect extends CostModificationEffectImpl {
 
-    private static final String effectText = "Activated abilities of creatures cost {1} less to activate. This effect can't reduce the amount of mana an ability costs to activate to less than one mana.";
+    private static final String effectText = "Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.";
     private static final FilterCreaturePermanent filter = new FilterCreaturePermanent();
 
     public HeartstoneEffect() {
diff --git a/Mage.Sets/src/mage/cards/p/PowerArtifact.java b/Mage.Sets/src/mage/cards/p/PowerArtifact.java
index b0063c5978..4be331e05b 100644
--- a/Mage.Sets/src/mage/cards/p/PowerArtifact.java
+++ b/Mage.Sets/src/mage/cards/p/PowerArtifact.java
@@ -1,11 +1,5 @@
-/*
- * To change this license header, choose License Headers in Project Properties.
- * To change this template file, choose Tools | Templates
- * and open the template in the editor.
- */
 package mage.cards.p;
 
-import java.util.UUID;
 import mage.Mana;
 import mage.abilities.Ability;
 import mage.abilities.ActivatedAbility;
@@ -15,13 +9,7 @@ import mage.abilities.effects.common.cost.CostModificationEffectImpl;
 import mage.abilities.keyword.EnchantAbility;
 import mage.cards.CardImpl;
 import mage.cards.CardSetInfo;
-import mage.constants.AbilityType;
-import mage.constants.CardType;
-import mage.constants.SubType;
-import mage.constants.CostModificationType;
-import mage.constants.Duration;
-import mage.constants.Outcome;
-import mage.constants.Zone;
+import mage.constants.*;
 import mage.game.Game;
 import mage.game.permanent.Permanent;
 import mage.players.Player;
@@ -29,14 +17,15 @@ import mage.target.TargetPermanent;
 import mage.target.common.TargetArtifactPermanent;
 import mage.util.CardUtil;
 
+import java.util.UUID;
+
 /**
- *
  * @author nick.myers
  */
 public final class PowerArtifact extends CardImpl {
 
     public PowerArtifact(UUID ownerId, CardSetInfo setInfo) {
-        super(ownerId,setInfo,new CardType[]{CardType.ENCHANTMENT},"{U}{U}");
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{U}{U}");
         this.subtype.add(SubType.AURA);
 
         // Enchant artifact
@@ -51,7 +40,7 @@ public final class PowerArtifact extends CardImpl {
         this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new PowerArtifactCostModificationEffect()));
     }
 
-    public PowerArtifact(final PowerArtifact card) {
+    private PowerArtifact(final PowerArtifact card) {
         super(card);
     }
 
@@ -65,11 +54,12 @@ class PowerArtifactCostModificationEffect extends CostModificationEffectImpl {
 
     PowerArtifactCostModificationEffect() {
         super(Duration.WhileOnBattlefield, Outcome.Benefit, CostModificationType.REDUCE_COST);
-        staticText = "The activation cost of target artifact is reduced by {2}. If this would reduce target artifact's activation cost below {1}, target artifact's activation cost becomes {1}. Power artifact has no effect on artifacts that have no activation cost or whose activation cost is {0}.";
+        staticText = "Enchanted artifact's activated abilities cost {2} less to activate. " +
+                "This effect can't reduce the amount of mana an ability costs to activate to less than one mana.";
 
     }
 
-    PowerArtifactCostModificationEffect(PowerArtifactCostModificationEffect effect) {
+    private PowerArtifactCostModificationEffect(PowerArtifactCostModificationEffect effect) {
         super(effect);
     }
 
diff --git a/Mage.Sets/src/mage/cards/t/TrainingGrounds.java b/Mage.Sets/src/mage/cards/t/TrainingGrounds.java
index 354f42c0bd..ee1fb79b69 100644
--- a/Mage.Sets/src/mage/cards/t/TrainingGrounds.java
+++ b/Mage.Sets/src/mage/cards/t/TrainingGrounds.java
@@ -43,7 +43,7 @@ public final class TrainingGrounds extends CardImpl {
 class TrainingGroundsEffect extends CostModificationEffectImpl {
 
     private static final String effectText = "Activated abilities of creatures you control cost {2} less to activate. " +
-            "This effect can't reduce the amount of mana an ability costs to activate to less than one mana";
+            "This effect can't reduce the mana in that cost to less than one mana";
 
     TrainingGroundsEffect() {
         super(Duration.Custom, Outcome.Benefit, CostModificationType.REDUCE_COST);
diff --git a/Mage.Sets/src/mage/cards/z/ZirdaTheDawnwaker.java b/Mage.Sets/src/mage/cards/z/ZirdaTheDawnwaker.java
index 28297d8c41..cfa381ba60 100644
--- a/Mage.Sets/src/mage/cards/z/ZirdaTheDawnwaker.java
+++ b/Mage.Sets/src/mage/cards/z/ZirdaTheDawnwaker.java
@@ -42,7 +42,7 @@ public final class ZirdaTheDawnwaker extends CardImpl {
         this.addAbility(new CompanionAbility(ZirdaTheDawnwakerCompanionCondition.instance));
 
         // Abilities you activate that aren't mana abilities cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.
-        this.addAbility(new SimpleStaticAbility(new TrainingGroundsEffect()));
+        this.addAbility(new SimpleStaticAbility(new ZirdaTheDawnwakerEffect()));
 
         // {1}, {T}: Target creature can't block this turn.
         Ability ability = new SimpleActivatedAbility(
@@ -84,15 +84,15 @@ enum ZirdaTheDawnwakerCompanionCondition implements CompanionCondition {
     }
 }
 
-class TrainingGroundsEffect extends CostModificationEffectImpl {
+class ZirdaTheDawnwakerEffect extends CostModificationEffectImpl {
 
-    TrainingGroundsEffect() {
+    ZirdaTheDawnwakerEffect() {
         super(Duration.Custom, Outcome.Benefit, CostModificationType.REDUCE_COST);
         staticText = "Abilities you activate that aren't mana abilities cost {2} less to activate. " +
                 "This effect can't reduce the mana in that cost to less than one mana.";
     }
 
-    private TrainingGroundsEffect(final TrainingGroundsEffect effect) {
+    private ZirdaTheDawnwakerEffect(final ZirdaTheDawnwakerEffect effect) {
         super(effect);
     }
 
@@ -103,7 +103,7 @@ class TrainingGroundsEffect extends CostModificationEffectImpl {
         if (reduceMax > 0 && mana.count() == mana.getGeneric()) {
             reduceMax--;
         }
-        reduceMax=Math.min(reduceMax,2);
+        reduceMax = Math.min(reduceMax, 2);
         if (reduceMax <= 0) {
             return true;
         }
@@ -119,7 +119,7 @@ class TrainingGroundsEffect extends CostModificationEffectImpl {
     }
 
     @Override
-    public TrainingGroundsEffect copy() {
-        return new TrainingGroundsEffect(this);
+    public ZirdaTheDawnwakerEffect copy() {
+        return new ZirdaTheDawnwakerEffect(this);
     }
 }