Fixed tests with multiple X values

Mage/src/main/java/mage/abilities/costs/VariableCost.java

@@ -1,27 +1,26 @@
-
-
 package mage.abilities.costs;
 
 import mage.abilities.Ability;
 import mage.game.Game;
 
 /**
- *
  * @author BetaSteward_at_googlemail.com
  */
 public interface VariableCost {
     /**
      * Returns the variable amount if already set
-     * 
+     *
      * @return
      */
     int getAmount();
+
     /**
      * Sets the variable amount
      *
-     * @param amount
+     * @param xValue - value of X
+     * @param xPay   - total value of pays for X (X * xMultiplier * xInstancesCount)
      */
-    void setAmount(int amount);
+    void setAmount(int xValue, int xPay);
 
     /**
      * returns the action text (e.g. "creature cards to exile from your hand", "life to pay")
@@ -29,6 +28,7 @@ public interface VariableCost {
      * @return
      */
     String getActionText();
+
     /**
      * Return a min value to announce
      *
@@ -37,6 +37,7 @@ public interface VariableCost {
      * @return
      */
     int getMinValue(Ability source, Game game);
+
     /**
      * Returns a max value to announce
      *
@@ -45,13 +46,16 @@ public interface VariableCost {
      * @return
      */
     int getMaxValue(Ability source, Game game);
+
     /**
      * Asks the controller to announce the variable value
+     *
      * @param source
      * @param game
      * @return
      */
     int announceXValue(Ability source, Game game);
+
     /**
      * Returns a fixed cost with the announced variable value
      *