diff --git a/Mage.Sets/src/mage/cards/b/BrotherhoodHeadquarters.java b/Mage.Sets/src/mage/cards/b/BrotherhoodHeadquarters.java
new file mode 100644
index 00000000000..6080eb9c937
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/b/BrotherhoodHeadquarters.java
@@ -0,0 +1,106 @@
+package mage.cards.b;
+
+import mage.ConditionalMana;
+import mage.MageObject;
+import mage.Mana;
+import mage.abilities.Ability;
+import mage.abilities.SpellAbility;
+import mage.abilities.condition.Condition;
+import mage.abilities.keyword.FreerunningAbility;
+import mage.abilities.mana.ColorlessManaAbility;
+import mage.abilities.mana.ConditionalAnyColorManaAbility;
+import mage.abilities.mana.builder.ConditionalManaBuilder;
+import mage.cards.Card;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.SubType;
+import mage.filter.Filter;
+import mage.filter.predicate.Predicate;
+import mage.filter.predicate.mageobject.AbilityPredicate;
+import mage.game.Game;
+
+import java.util.UUID;
+
+public class BrotherhoodHeadquarters extends CardImpl {
+
+    private static final Predicate<MageObject> predicate = new AbilityPredicate(FreerunningAbility.class);
+
+    public BrotherhoodHeadquarters(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.LAND}, "");
+
+        // Add one colorless
+        this.addAbility(new ColorlessManaAbility());
+
+        // Add one mana of any color. Spend this mana only to cast an Assassin spell or a spell that has freerunning, or to activate an ability of an Assassin source.
+        this.addAbility(new ConditionalAnyColorManaAbility(1, new BrotherhoodHeadquartersManaBuilder()));
+    }
+
+    public BrotherhoodHeadquarters(BrotherhoodHeadquarters card) {
+        super(card);
+    }
+
+    @Override
+    public BrotherhoodHeadquarters copy() {
+        return new BrotherhoodHeadquarters(this);
+    }
+
+    class BrotherhoodHeadquartersManaBuilder extends ConditionalManaBuilder {
+
+        @Override
+        public String getRule() {
+            return "Spend this mana only to cast an Assassin spell or a spell that has freerunning, or to activate an ability of an Assassin source.";
+        }
+
+        @Override
+        public ConditionalMana build(Object... options) {
+            return new BrotherhoodHeadquartersConditionalMana(this.mana);
+        }
+    }
+
+    class BrotherhoodHeadquartersConditionalMana extends ConditionalMana {
+
+        public BrotherhoodHeadquartersConditionalMana(Mana mana) {
+            super(mana);
+            addCondition(new BrotherhoodHeadquartersAssassinSpellManaCondition());
+            addCondition(new BrotherhoodHeadquartersFreerunningManaCondition());
+            addCondition(new BrotherhoodHeadquartersAssassinSourceManaCondition());
+            setComparisonScope(Filter.ComparisonScope.Any);
+        }
+    }
+
+    class BrotherhoodHeadquartersAssassinSpellManaCondition implements Condition {
+
+        @Override
+        public boolean apply(Game game, Ability source) {
+            if (source instanceof SpellAbility) {
+                Card card = game.getCard(source.getSourceId());
+                return card != null && card.hasSubtype(SubType.ASSASSIN, game);
+            }
+
+            return false;
+        }
+    }
+
+    class BrotherhoodHeadquartersFreerunningManaCondition implements Condition {
+
+        @Override
+        public boolean apply(Game game, Ability source) {
+            MageObject sourceObject = game.getObject(source);
+            return sourceObject != null && predicate.apply(sourceObject, game);
+        }
+    }
+
+    class BrotherhoodHeadquartersAssassinSourceManaCondition implements Condition {
+
+        @Override
+        public boolean apply(Game game, Ability source) {
+            if (source.isActivatedAbility()) {
+                MageObject object = game.getObject(source.getSourceId());
+                return object != null && object.hasSubtype(SubType.ASSASSIN, game);
+            }
+
+            return false;
+        }
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/AssassinsCreed.java b/Mage.Sets/src/mage/sets/AssassinsCreed.java
index f4eb6fffbea..3ffa041e3a9 100644
--- a/Mage.Sets/src/mage/sets/AssassinsCreed.java
+++ b/Mage.Sets/src/mage/sets/AssassinsCreed.java
@@ -77,8 +77,8 @@ public final class AssassinsCreed extends ExpansionSet {
         cards.add(new SetCardInfo("Bleeding Effect", 232, Rarity.UNCOMMON, mage.cards.b.BleedingEffect.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Bleeding Effect", 51, Rarity.UNCOMMON, mage.cards.b.BleedingEffect.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Brotherhood Ambushers", 285, Rarity.UNCOMMON, mage.cards.b.BrotherhoodAmbushers.class));
-        //cards.add(new SetCardInfo("Brotherhood Headquarters", 266, Rarity.UNCOMMON, mage.cards.b.BrotherhoodHeadquarters.class, NON_FULL_USE_VARIOUS));
-        //cards.add(new SetCardInfo("Brotherhood Headquarters", 80, Rarity.UNCOMMON, mage.cards.b.BrotherhoodHeadquarters.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Brotherhood Headquarters", 266, Rarity.UNCOMMON, mage.cards.b.BrotherhoodHeadquarters.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Brotherhood Headquarters", 80, Rarity.UNCOMMON, mage.cards.b.BrotherhoodHeadquarters.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Brotherhood Patriarch", 286, Rarity.COMMON, mage.cards.b.BrotherhoodPatriarch.class));
         cards.add(new SetCardInfo("Brotherhood Regalia", 255, Rarity.UNCOMMON, mage.cards.b.BrotherhoodRegalia.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Brotherhood Regalia", 71, Rarity.UNCOMMON, mage.cards.b.BrotherhoodRegalia.class, NON_FULL_USE_VARIOUS));