diff --git a/Mage.Sets/src/mage/cards/a/AsylumVisitor.java b/Mage.Sets/src/mage/cards/a/AsylumVisitor.java
index 7ef03890f3..16b938057d 100644
--- a/Mage.Sets/src/mage/cards/a/AsylumVisitor.java
+++ b/Mage.Sets/src/mage/cards/a/AsylumVisitor.java
@@ -29,12 +29,15 @@ package mage.cards.a;
 
 import java.util.UUID;
 import mage.MageInt;
+import mage.abilities.Ability;
 import mage.abilities.TriggeredAbilityImpl;
 import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.effects.OneShotEffect;
 import mage.abilities.keyword.MadnessAbility;
 import mage.cards.CardImpl;
 import mage.cards.CardSetInfo;
 import mage.constants.CardType;
+import mage.constants.Outcome;
 import mage.constants.Zone;
 import mage.game.Game;
 import mage.game.events.GameEvent;
@@ -72,12 +75,12 @@ public class AsylumVisitor extends CardImpl {
 }
 
 class AsylumVisitorTriggeredAbility extends TriggeredAbilityImpl {
-    
+
     public AsylumVisitorTriggeredAbility() {
-        super(Zone.BATTLEFIELD, null);
+        super(Zone.BATTLEFIELD, new AsylumVisitorEffect());
     }
 
-    public AsylumVisitorTriggeredAbility(final AsylumVisitorTriggeredAbility ability) {        
+    public AsylumVisitorTriggeredAbility(final AsylumVisitorTriggeredAbility ability) {
         super(ability);
     }
 
@@ -93,16 +96,10 @@ class AsylumVisitorTriggeredAbility extends TriggeredAbilityImpl {
 
     @Override
     public boolean checkTrigger(GameEvent event, Game game) {
-        
-        Player you = game.getPlayer(this.getControllerId());
         Player upkeepPlayer = game.getPlayer(event.getPlayerId());
-
-        if (you != null && upkeepPlayer != null && upkeepPlayer.getHand().isEmpty()) {
-            you.drawCards(1, game);
-            you.loseLife(1, game, false);
+        if (upkeepPlayer != null && upkeepPlayer.getHand().isEmpty()) {
             return true;
         }
-        
         return false;
     }
 
@@ -110,4 +107,33 @@ class AsylumVisitorTriggeredAbility extends TriggeredAbilityImpl {
     public String getRule() {
         return "At the beginning of each player's upkeep, if that player has no cards in hand, you draw a card and you lose 1 life.";
     }
+}
+
+class AsylumVisitorEffect extends OneShotEffect {
+
+    public AsylumVisitorEffect() {
+        super(Outcome.DrawCard);
+        this.staticText = "you draw a card and you lose 1 life";
+    }
+
+    public AsylumVisitorEffect(final AsylumVisitorEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public AsylumVisitorEffect copy() {
+        return new AsylumVisitorEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player you = game.getPlayer(source.getControllerId());
+        Player upkeepPlayer = game.getPlayer(game.getActivePlayerId());
+        if (you != null && upkeepPlayer != null && upkeepPlayer.getHand().isEmpty()) {
+            you.drawCards(1, game);
+            you.loseLife(1, game, false);
+            return true;
+        }
+        return false;
+    }
 }
\ No newline at end of file
diff --git a/Mage.Sets/src/mage/cards/s/SpinedSliver.java b/Mage.Sets/src/mage/cards/s/SpinedSliver.java
index fe77e12403..414ef9adbd 100644
--- a/Mage.Sets/src/mage/cards/s/SpinedSliver.java
+++ b/Mage.Sets/src/mage/cards/s/SpinedSliver.java
@@ -30,19 +30,19 @@ package mage.cards.s;
 import java.util.UUID;
 import mage.MageInt;
 import mage.abilities.Ability;
-import mage.abilities.common.BecomesBlockedByCreatureTriggeredAbility;
-import mage.abilities.common.SimpleStaticAbility;
-import mage.abilities.dynamicvalue.common.BlockedCreatureCount;
+import mage.abilities.common.BecomesBlockedAllTriggeredAbility;
+import mage.abilities.dynamicvalue.DynamicValue;
 import mage.abilities.effects.Effect;
-import mage.abilities.effects.common.continuous.BoostSourceEffect;
-import mage.abilities.effects.common.continuous.GainAbilityAllEffect;
+import mage.abilities.effects.common.continuous.BoostTargetEffect;
 import mage.cards.CardImpl;
 import mage.cards.CardSetInfo;
 import mage.constants.CardType;
 import mage.constants.Duration;
-import mage.constants.Zone;
 import mage.filter.common.FilterCreaturePermanent;
 import mage.filter.predicate.mageobject.SubtypePredicate;
+import mage.game.Game;
+import mage.game.combat.CombatGroup;
+import mage.target.targetpointer.TargetPointer;
 
 /**
  *
@@ -64,14 +64,10 @@ public class SpinedSliver extends CardImpl {
         this.toughness = new MageInt(2);
 
         // Whenever a Sliver becomes blocked, that Sliver gets +1/+1 until end of turn for each creature blocking it.
-        BlockedCreatureCount value = new BlockedCreatureCount();
-        Effect effect = new BoostSourceEffect(value, value, Duration.EndOfTurn, true);
+        BlockersCount value = new BlockersCount();
+        Effect effect = new BoostTargetEffect(value, value, Duration.EndOfTurn, true);
         effect.setText("it gets +1/+1 until end of turn for each creature blocking it");
-        Ability ability = new BecomesBlockedByCreatureTriggeredAbility(effect, false);
-        this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD,
-                new GainAbilityAllEffect(ability,
-                        Duration.WhileOnBattlefield, filter,
-                        "Whenever a Sliver becomes blocked, that Sliver gets +1/+1 until end of turn for each creature blocking it.")));
+        this.addAbility(new BecomesBlockedAllTriggeredAbility(effect, false, filter, true));
     }
 
     public SpinedSliver(final SpinedSliver card) {
@@ -83,3 +79,44 @@ public class SpinedSliver extends CardImpl {
         return new SpinedSliver(this);
     }
 }
+
+class BlockersCount implements DynamicValue {
+
+    private String message;
+
+    public BlockersCount() {
+        this.message = "each creature blocking it";
+    }
+
+    public BlockersCount(final BlockersCount blockersCount) {
+        super();
+        this.message = blockersCount.message;
+    }
+
+    @Override
+    public int calculate(Game game, Ability sourceAbility, Effect effect) {
+        TargetPointer attacker = effect.getTargetPointer();
+        UUID attackerId = attacker.getFirst(game, sourceAbility);
+        for (CombatGroup combatGroup : game.getCombat().getGroups()) {
+            if (combatGroup.getAttackers().contains(attackerId)) {
+                return combatGroup.getBlockers().size();
+            }
+        }
+        return 0;
+    }
+
+    @Override
+    public BlockersCount copy() {
+        return new BlockersCount(this);
+    }
+
+    @Override
+    public String getMessage() {
+        return message;
+    }
+
+    @Override
+    public String toString() {
+        return "X";
+    }
+}