diff --git a/Mage.Sets/src/mage/cards/c/CrystalSlipper.java b/Mage.Sets/src/mage/cards/c/CrystalSlipper.java
index 9c1cc98df4a..c17e1b2753e 100644
--- a/Mage.Sets/src/mage/cards/c/CrystalSlipper.java
+++ b/Mage.Sets/src/mage/cards/c/CrystalSlipper.java
@@ -31,6 +31,7 @@ public final class CrystalSlipper extends CardImpl {
         ability.addEffect(new GainAbilityAttachedEffect(
                 HasteAbility.getInstance(), AttachmentType.EQUIPMENT).setText("and has haste")
         );
+        this.addAbility(ability);
 
         // Equip {1}
         this.addAbility(new EquipAbility(Outcome.BoostCreature, new GenericManaCost(1)));
diff --git a/Mage.Sets/src/mage/cards/w/WishfulMerfolk.java b/Mage.Sets/src/mage/cards/w/WishfulMerfolk.java
index 4d7c663d70c..09ce7ad9110 100644
--- a/Mage.Sets/src/mage/cards/w/WishfulMerfolk.java
+++ b/Mage.Sets/src/mage/cards/w/WishfulMerfolk.java
@@ -1,14 +1,16 @@
 package mage.cards.w;
 
 import mage.MageInt;
+import mage.abilities.Ability;
 import mage.abilities.common.SimpleActivatedAbility;
 import mage.abilities.costs.mana.ManaCostsImpl;
-import mage.abilities.effects.common.continuous.BecomesCreatureSourceEffect;
+import mage.abilities.effects.ContinuousEffectImpl;
 import mage.abilities.keyword.DefenderAbility;
 import mage.cards.CardImpl;
 import mage.cards.CardSetInfo;
 import mage.constants.*;
-import mage.game.permanent.token.TokenImpl;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
 
 import java.util.UUID;
 
@@ -30,8 +32,7 @@ public final class WishfulMerfolk extends CardImpl {
         this.addAbility(DefenderAbility.getInstance());
 
         // {1}{U}: Wishful Merfolk loses defender and becomes a Human until end of turn.
-        //this.addAbility(new SimpleActivatedAbility(Zone.BATTLEFIELD, new WishfulMerfolkEffect(), new ManaCostsImpl("{1}{U}")));
-       this.addAbility(new SimpleActivatedAbility(Zone.BATTLEFIELD, new BecomesCreatureSourceEffect(new WishfulMerfolkToken(), "", Duration.EndOfTurn), new ManaCostsImpl("{1}{U}")));
+        this.addAbility(new SimpleActivatedAbility(Zone.BATTLEFIELD, new WishfulMerfolkEffect(), new ManaCostsImpl("{1}{U}")));
     }
 
     public WishfulMerfolk(final WishfulMerfolk card) {
@@ -44,22 +45,52 @@ public final class WishfulMerfolk extends CardImpl {
     }
 }
 
-class WishfulMerfolkToken extends TokenImpl {
+class WishfulMerfolkEffect extends ContinuousEffectImpl {
 
-    public WishfulMerfolkToken() {
-        super("Wishful Merfolk", "");
-        this.cardType.add(CardType.CREATURE);
-        this.subtype.add(SubType.HUMAN);
-        this.color.setBlue(true);
-        this.power = new MageInt(3);
-        this.toughness = new MageInt(2);
+    public WishfulMerfolkEffect() {
+        super(Duration.EndOfTurn, Outcome.AddAbility);
+        staticText = "{this} loses defender and becomes a Human until end of turn";
     }
 
-    public WishfulMerfolkToken(final WishfulMerfolkToken token) {
-        super(token);
+    public WishfulMerfolkEffect(final WishfulMerfolkEffect effect) {
+        super(effect);
     }
 
-    public WishfulMerfolkToken copy() {
-        return new WishfulMerfolkToken(this);
+    @Override
+    public WishfulMerfolkEffect copy() {
+        return new WishfulMerfolkEffect(this);
+    }
+
+    @Override
+    public boolean apply(Layer layer, SubLayer sublayer, Ability source, Game game) {
+        Permanent permanent = game.getPermanent(source.getSourceId());
+        if (permanent != null) {
+            switch (layer) {
+                case AbilityAddingRemovingEffects_6:
+                    if (sublayer == SubLayer.NA) {
+                        permanent.getAbilities().removeIf(entry -> entry.getId().equals(DefenderAbility.getInstance().getId()));
+                    }
+                    break;
+                case TypeChangingEffects_4:
+                    if (permanent.getSubtype(game).contains(SubType.MERFOLK)) {
+                        permanent.getSubtype(game).clear();
+                        permanent.getSubtype(game).add(SubType.HUMAN);
+                    }
+                    break;
+            }
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        return false;
+    }
+
+    @Override
+    public boolean hasLayer(Layer layer) {
+        return layer == Layer.AbilityAddingRemovingEffects_6
+                || layer == Layer.TypeChangingEffects_4;
     }
 }
diff --git a/Mage/src/main/java/mage/game/permanent/token/FoodToken.java b/Mage/src/main/java/mage/game/permanent/token/FoodToken.java
index 1d539aa2443..a51f0403e59 100644
--- a/Mage/src/main/java/mage/game/permanent/token/FoodToken.java
+++ b/Mage/src/main/java/mage/game/permanent/token/FoodToken.java
@@ -1,4 +1,4 @@
-package mage.game.permanent.token.custom;
+package mage.game.permanent.token;
 
 import mage.abilities.Ability;
 import mage.abilities.common.SimpleActivatedAbility;