removed couple of methods, whose results can be derived from other members

src/main/java/forge/card/cardfactory/CardFactoryCreatures.java

@@ -316,7 +316,7 @@ public class CardFactoryCreatures {
                 c.addCounter(CounterType.P1P1, xCounters, true);
             }
         };
-        spell.setIsXCost(true);
+        spell.setXManaCost(1);
         // Do not remove SpellAbilities created by AbilityFactory or
         // Keywords.
         card.clearFirstSpell();

src/main/java/forge/card/cardfactory/CardFactoryUtil.java

@@ -2394,7 +2394,6 @@ public class CardFactoryUtil {
                 final String[] k = parse.split("kicker ");
 
                 final SpellAbility sa = card.getSpellAbility()[0];
-                sa.setIsMultiKicker(true);
                 sa.setMultiKickerManaCost(new ManaCost(new ManaCostParser(k[1])));
             }
         }
@@ -2557,7 +2556,6 @@ public class CardFactoryUtil {
         int xCount = card.getManaCost().getShardCount(ManaCostShard.X);
         if (xCount > 0) {
             final SpellAbility sa = card.getSpellAbility()[0];
-            sa.setIsXCost(true);
             sa.setXManaCost(xCount);
         } // X
 

src/main/java/forge/card/spellability/SpellAbility.java

@@ -74,9 +74,7 @@ public abstract class SpellAbility implements ISpellAbility {
     private boolean temporarilySuppressed = false;
 
     private boolean flashBackAbility = false;
-    private boolean multiKicker = false;
     private boolean replicate = false;
-    private boolean xCost = false;
     private boolean cycling = false;
     private boolean delve = false;
 
@@ -387,19 +385,7 @@ public abstract class SpellAbility implements ISpellAbility {
         return false;
     }
 
-    /**
-     * <p>
-     * setIsMultiKicker.
-     * </p>
-     * 
-     * @param b
-     *            a boolean.
-     */
-    public final void setIsMultiKicker(final boolean b) {
-        this.multiKicker = b;
-    }
-
-    /**
+     /**
      * <p>
      * isMultiKicker.
      * </p>
@@ -407,7 +393,7 @@ public abstract class SpellAbility implements ISpellAbility {
      * @return a boolean.
      */
     public boolean isMultiKicker() {
-        return this.multiKicker;
+        return this.multiKickerManaCost != null;
     }
 
     /**
@@ -433,17 +419,6 @@ public abstract class SpellAbility implements ISpellAbility {
         return this.replicate;
     }
 
-    /**
-     * <p>
-     * setIsXCost.
-     * </p>
-     * 
-     * @param b
-     *            a boolean.
-     */
-    public void setIsXCost(final boolean b) {
-        this.xCost = b;
-    }
 
     /**
      * <p>
@@ -453,7 +428,7 @@ public abstract class SpellAbility implements ISpellAbility {
      * @return a boolean.
      */
     public boolean isXCost() {
-        return this.xCost;
+        return getXManaCost() > 0;
     }
 
     /**

src/main/java/forge/card/trigger/WrappedAbility.java

@@ -284,11 +284,6 @@ public class WrappedAbility extends Ability implements ISpellAbility {
         sa.setFlashBackAbility(flashBackAbility);
     }
 
-    @Override
-    public void setIsXCost(final boolean b) {
-        sa.setIsXCost(b);
-    }
-
     @Override
     public void setMultiKickerManaCost(final ManaCost cost) {
         sa.setMultiKickerManaCost(cost);