- Added the player keyword "Spells and abilities your opponents control can't cause you to sacrifice permanents.".

- Added Sigarda, Host of Herons.

.gitattributes

@@ -8195,6 +8195,7 @@ res/cardsfolder/s/siege_of_towers.txt svneol=native#text/plain
 res/cardsfolder/s/siege_wurm.txt -text
 res/cardsfolder/s/sift.txt svneol=native#text/plain
 res/cardsfolder/s/sift_through_sands.txt -text
+res/cardsfolder/s/sigarda_host_of_herons.txt -text
 res/cardsfolder/s/sighted_caste_sorcerer.txt svneol=native#text/plain
 res/cardsfolder/s/sightless_ghoul.txt -text
 res/cardsfolder/s/sigil_blessing.txt svneol=native#text/plain

res/cardsfolder/s/sigarda_host_of_herons.txt

@@ -0,0 +1,13 @@
+Name:Sigarda, Host of Herons
+ManaCost:2 G W W
+Types:Legendary Creature Angel
+Text:no text
+PT:5/5
+K:Flying
+K:Hexproof
+S:Mode$ Continuous | Affected$ You | AddKeyword$ Spells and abilities your opponents control can't cause you to sacrifice permanents. | Description$ Spells and abilities your opponents control can't cause you to sacrifice permanents.
+SVar:Rarity:Mythic
+SVar:Picture:http://www.wizards.com/global/images/magic/general/sigarda_host_of_herons.jpg
+SetInfo:AVR|Mythic|http://magiccards.info/scans/en/avr/210.jpg
+Oracle:Flying, hexproof\nSpells and abilities your opponents control can't cause you to sacrifice permanents.
+End

src/main/java/forge/GameAction.java

@@ -1174,6 +1174,8 @@ public class GameAction {
      * 
      * @param c
      *            a {@link forge.Card} object.
+     * @param source
+     *            a SpellAbility object.
      * @return a boolean.
      */
     public final boolean sacrifice(final Card c, final SpellAbility source) {
@@ -1181,6 +1183,11 @@ public class GameAction {
             System.out.println("Trying to sacrifice immutables: " + c);
             return false;
         }
+        if (source != null && !c.getController().equals(source.getActivatingPlayer())
+                && c.getController().hasKeyword("Spells and abilities your opponents control can't cause"
+                        + " you to sacrifice permanents.")) {
+            return false;
+        }
         this.sacrificeDestroy(c);
 
         // Run triggers