- First part of fix #6660

Mage.Sets/src/mage/cards/c/ChokingVines.java

@@ -20,6 +20,8 @@ import mage.target.common.TargetCreaturePermanent;
 import mage.target.targetadjustment.TargetAdjuster;
 
 import static mage.filter.StaticFilters.FILTER_ATTACKING_CREATURES;
+import mage.game.events.GameEvent;
+import mage.game.permanent.Permanent;
 
 /**
  * @author arcox
@@ -30,7 +32,8 @@ public final class ChokingVines extends CardImpl {
         super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{X}{G}");
 
         // Cast only during the declare blockers step.
-        this.addAbility(new CastOnlyDuringPhaseStepSourceAbility(null, PhaseStep.DECLARE_BLOCKERS, null, "Cast this spell only during the declare blockers step"));
+        this.addAbility(new CastOnlyDuringPhaseStepSourceAbility(null,
+                PhaseStep.DECLARE_BLOCKERS, null, "Cast this spell only during the declare blockers step"));
 
         // X target attacking creatures become blocked. Choking Vines deals 1 damage to each of those creatures.
         this.getSpellAbility().addEffect(new ChokingVinesEffect());
@@ -85,7 +88,12 @@ class ChokingVinesEffect extends OneShotEffect {
                 for (UUID id : target.getTargets()) {
                     CombatGroup combatGroup = game.getCombat().findGroup(id);
                     if (combatGroup != null) {
-                        combatGroup.setBlocked(true, game);
+                        combatGroup.setBlocked(true); // non-banded creatures
+                        combatGroup.setBlocked(true, game); // this only works for banded creatures and needs to be checked out
+                        Permanent attacker = game.getPermanent(id);
+                        if (attacker != null) {
+                            game.fireEvent(GameEvent.getEvent(GameEvent.EventType.CREATURE_BLOCKED, attacker.getId(), null));
+                        }
                     }
                 }
             }

Mage/src/main/java/mage/abilities/common/BecomesBlockedSourceTriggeredAbility.java

@@ -0,0 +1,43 @@
+
+package mage.abilities.common;
+
+import mage.abilities.TriggeredAbilityImpl;
+import mage.abilities.effects.Effect;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+
+/**
+ *
+ * @author North
+ */
+public class BecomesBlockedSourceTriggeredAbility extends TriggeredAbilityImpl {
+
+    public BecomesBlockedSourceTriggeredAbility(Effect effect, boolean optional) {
+        super(Zone.BATTLEFIELD, effect, optional);
+    }
+
+    public BecomesBlockedSourceTriggeredAbility(final BecomesBlockedSourceTriggeredAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.CREATURE_BLOCKED;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        return event.getTargetId().equals(this.getSourceId());
+    }
+
+    @Override
+    public String getRule() {
+        return "Whenever {this} becomes blocked, " + super.getRule();
+    }
+
+    @Override
+    public BecomesBlockedSourceTriggeredAbility copy() {
+        return new BecomesBlockedSourceTriggeredAbility(this);
+    }
+}

Mage/src/main/java/mage/abilities/common/EnchantedCreatureBlockedTriggeredAbility.java

@@ -1,4 +1,3 @@
-
 package mage.abilities.common;
 
 import mage.abilities.TriggeredAbilityImpl;
@@ -43,7 +42,7 @@ public class EnchantedCreatureBlockedTriggeredAbility extends TriggeredAbilityIm
 
     @Override
     public String getRule() {
-        return "Whenever enchanted creature becomes blocked by a creature, " + super.getRule();
+        return "Whenever enchanted creature becomes blocked, " + super.getRule();
     }
 
     @Override