Restructured Mage module

Mage/src/main/java/mage/abilities/dynamicvalue/common/SacrificeCostCreaturesPower.java

@@ -0,0 +1,45 @@
+package mage.abilities.dynamicvalue.common;
+
+import mage.abilities.Ability;
+import mage.abilities.costs.Cost;
+import mage.abilities.costs.common.SacrificeTargetCost;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.effects.Effect;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+
+/**
+ * @author LevelX2
+ */
+public class SacrificeCostCreaturesPower implements DynamicValue {
+
+    @Override
+    public int calculate(Game game, Ability sourceAbility, Effect effect) {
+        for (Cost cost : sourceAbility.getCosts()) {
+            if (cost instanceof SacrificeTargetCost) {
+                SacrificeTargetCost sacrificeCost = (SacrificeTargetCost) cost;
+                int powerSum = 0;
+                for (Permanent permanent : sacrificeCost.getPermanents()) {
+                    powerSum += permanent.getPower().getValue();
+                }
+                return powerSum;
+            }
+        }
+        return 0;
+    }
+
+    @Override
+    public SacrificeCostCreaturesPower copy() {
+        return new SacrificeCostCreaturesPower();
+    }
+
+    @Override
+    public String toString() {
+        return "X";
+    }
+
+    @Override
+    public String getMessage() {
+        return "the sacrificed creature's power";
+    }
+}