Added Ember Beast, Jackal Familiar and Mogg Flunkies.

Added CARDNAME can't attack or block alone keyword.

.gitattributes

@@ -2780,6 +2780,7 @@ res/cardsfolder/e/elvish_visionary.txt svneol=native#text/plain
 res/cardsfolder/e/elvish_warrior.txt svneol=native#text/plain
 res/cardsfolder/e/emancipation_angel.txt -text
 res/cardsfolder/e/embargo.txt svneol=native#text/plain
+res/cardsfolder/e/ember_beast.txt -text
 res/cardsfolder/e/ember_fist_zubera.txt svneol=native#text/plain
 res/cardsfolder/e/ember_hauler.txt svneol=native#text/plain
 res/cardsfolder/e/ember_shot.txt svneol=native#text/plain
@@ -4767,6 +4768,7 @@ res/cardsfolder/j/jaces_archivist.txt -text
 res/cardsfolder/j/jaces_erasure.txt svneol=native#text/plain
 res/cardsfolder/j/jaces_ingenuity.txt svneol=native#text/plain
 res/cardsfolder/j/jaces_phantasm.txt -text
+res/cardsfolder/j/jackal_familiar.txt -text
 res/cardsfolder/j/jackal_pup.txt svneol=native#text/plain
 res/cardsfolder/j/jackalope_herd.txt svneol=native#text/plain
 res/cardsfolder/j/jacques_le_vert.txt svneol=native#text/plain
@@ -5992,6 +5994,7 @@ res/cardsfolder/m/mogg_bombers.txt svneol=native#text/plain
 res/cardsfolder/m/mogg_cannon.txt -text
 res/cardsfolder/m/mogg_conscripts.txt -text
 res/cardsfolder/m/mogg_fanatic.txt svneol=native#text/plain
+res/cardsfolder/m/mogg_flunkies.txt -text
 res/cardsfolder/m/mogg_hollows.txt svneol=native#text/plain
 res/cardsfolder/m/mogg_infestation.txt -text
 res/cardsfolder/m/mogg_jailer.txt svneol=native#text/plain

res/cardsfolder/e/ember_beast.txt

@@ -0,0 +1,11 @@
+Name:Ember Beast
+ManaCost:2 R
+Types:Creature Beast
+Text:no text
+PT:3/4
+K:CARDNAME can't attack or block alone.
+SVar:Rarity:Common
+SVar:Picture:http://www.wizards.com/global/images/magic/general/ember_beast.jpg
+SetInfo:ODY|Common|http://magiccards.info/scans/en/od/190.jpg
+Oracle:Ember Beast can't attack or block alone.
+End

res/cardsfolder/j/jackal_familiar.txt

@@ -0,0 +1,11 @@
+Name:Jackal Familiar
+ManaCost:R
+Types:Creature Hound
+Text:no text
+PT:2/2
+K:CARDNAME can't attack or block alone.
+SVar:Rarity:Common
+SVar:Picture:http://www.wizards.com/global/images/magic/general/jackal_familiar.jpg
+SetInfo:M10|Common|http://magiccards.info/scans/en/m10/143.jpg
+Oracle:Jackal Familiar can't attack or block alone.
+End

res/cardsfolder/m/mogg_flunkies.txt

@@ -0,0 +1,12 @@
+Name:Mogg Flunkies
+ManaCost:1 R
+Types:Creature Goblin
+Text:no text
+PT:3/3
+K:CARDNAME can't attack or block alone.
+SVar:Rarity:Common
+SVar:Picture:http://www.wizards.com/global/images/magic/general/mogg_flunkies.jpg
+SetInfo:M13|Common|http://magiccards.info/scans/en/m13/143.jpg
+SetInfo:STH|Common|http://magiccards.info/scans/en/sh/92.jpg
+Oracle:Mogg Flunkies can't attack or block alone.
+End

src/main/java/forge/game/phase/Combat.java

@@ -588,6 +588,26 @@ public class Combat {
         }
     } // removeFromCombat()
 
+    /**
+     * <p>
+     * undoBlockingAssignment.
+     * </p>
+     * 
+     * @param blocker
+     *            a {@link forge.Card} object.
+     */
+    public final void undoBlockingAssignment(final Card blocker) {
+        final CardList att = this.getAttackerList();
+        for (final Card attacker : att) {
+            if (this.getBlockers(attacker).contains(blocker)) {
+                this.getBlockerList(attacker).remove(blocker);
+                if (this.getBlockers(attacker).size() == 0) {
+                    this.blocked.remove(attacker);
+                }
+            }
+        }
+    } // undoBlockingAssignment(Card)
+
     /**
      * <p>
      * verifyCreaturesInPlay.

src/main/java/forge/game/phase/CombatUtil.java

@@ -99,6 +99,11 @@ public class CombatUtil {
             }
         }
 
+        final CardList list = AllZoneUtil.getCreaturesInPlay(blocker.getController());
+        if (list.size() < 2 && blocker.hasKeyword("CARDNAME can't attack or block alone.")) {
+            return false;
+        }
+
         if ((combat.getAllBlockers().size() > 0) && AllZoneUtil.isCardInPlay("Dueling Grounds")) {
             return false;
         }
@@ -667,6 +672,11 @@ public class CombatUtil {
             }
         }
 
+        final CardList list = AllZoneUtil.getCreaturesInPlay(c.getController());
+        if (list.size() < 2 && c.hasKeyword("CARDNAME can't attack or block alone.")) {
+            return false;
+        }
+
         if (cntAttackers > 0 && c.hasKeyword("CARDNAME can only attack alone.")) {
             return false;
         }

src/main/java/forge/game/phase/PhaseUtil.java

@@ -284,6 +284,17 @@ public class PhaseUtil {
      */
     public static void handleDeclareAttackers() {
         PhaseUtil.verifyCombat();
+
+        // Handles removing cards like Mogg Flunkies from combat if group attack didn't occur
+        final CardList filterList = AllZone.getCombat().getAttackerList();
+        for (Card c : filterList) {
+            if (c.hasKeyword("CARDNAME can't attack or block alone.") && c.isAttacking()) {
+                if (AllZone.getCombat().getAttackers().size() < 2) {
+                    AllZone.getCombat().removeFromCombat(c);
+                }
+            }
+        }
+
         final CardList list = AllZone.getCombat().getAttackerList();
 
         // TODO move propaganda to happen as the Attacker is Declared
@@ -342,6 +353,16 @@ public class PhaseUtil {
     public static void handleDeclareBlockers() {
         PhaseUtil.verifyCombat();
 
+        // Handles removing cards like Mogg Flunkies from combat if group block didn't occur
+        final CardList filterList = AllZone.getCombat().getAllBlockers();
+        for (Card c : filterList) {
+            if (c.hasKeyword("CARDNAME can't attack or block alone.") && c.isBlocking()) {
+                if (AllZone.getCombat().getAllBlockers().size() < 2) {
+                    AllZone.getCombat().undoBlockingAssignment(c);
+                }
+            }
+        }
+
         AllZone.getStack().freezeStack();
 
         AllZone.getCombat().setUnblocked();