Added text to ManaType constants.

Mage/src/mage/constants/ManaType.java

@@ -5,5 +5,21 @@ package mage.constants;
  * @author North
  */
 public enum ManaType {
-    BLACK, BLUE, GREEN, RED, WHITE, COLORLESS
-}
+    BLACK ("black"),
+    BLUE  ("blue"),
+    GREEN ("greeen"),
+    RED   ("red"),
+    WHITE ("white"),
+    COLORLESS("colorless");
+
+    private String text;
+
+    ManaType(String text) {
+        this.text = text;
+    }
+
+    @Override
+    public String toString() {
+        return text;
+    }
+};