[ONE] Implement The Eternal Wanderer (#10000)

Mage/src/main/java/mage/abilities/common/delayed/AtTheBeginOfPlayersNextEndStepDelayedTriggeredAbility.java

@@ -0,0 +1,46 @@
+package mage.abilities.common.delayed;
+
+import java.util.UUID;
+
+import mage.abilities.DelayedTriggeredAbility;
+import mage.abilities.effects.Effect;
+import mage.constants.Duration;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+
+public class AtTheBeginOfPlayersNextEndStepDelayedTriggeredAbility extends DelayedTriggeredAbility {
+
+      protected UUID playerId;
+
+
+    public AtTheBeginOfPlayersNextEndStepDelayedTriggeredAbility(Effect effect, UUID playerId) {
+        super(effect, Duration.Custom, true, false);
+        this.playerId = playerId;
+    }
+
+    public AtTheBeginOfPlayersNextEndStepDelayedTriggeredAbility(final AtTheBeginOfPlayersNextEndStepDelayedTriggeredAbility ability) {
+        super(ability);
+        this.playerId = ability.playerId;
+    }
+  
+      @Override
+      public AtTheBeginOfPlayersNextEndStepDelayedTriggeredAbility copy() {
+          return new AtTheBeginOfPlayersNextEndStepDelayedTriggeredAbility(this);
+      }
+  
+      @Override
+      public boolean checkEventType(GameEvent event, Game game) {
+          return event.getType() == GameEvent.EventType.END_TURN_STEP_PRE;
+      }
+  
+      @Override
+      public boolean checkTrigger(GameEvent event, Game game) {
+          return game.getActivePlayerId().equals(playerId);
+      }
+  
+      @Override
+      public String getRule() {
+          return "At the beginning of its owners next end step, " + super.getRule();
+      }
+  
+}

Mage/src/main/java/mage/game/permanent/token/DoublestrikeSamuraiToken.java

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+package mage.game.permanent.token;
+
+import mage.MageInt;
+import mage.abilities.keyword.DoubleStrikeAbility;
+import mage.constants.CardType;
+import mage.constants.SubType;
+
+/**
+ * @author @stwalsh4118
+ */
+public class DoublestrikeSamuraiToken extends TokenImpl {
+
+    public DoublestrikeSamuraiToken() {
+        super("Samurai Token", "2/2 white Samurai creature token with double strike.");
+        cardType.add(CardType.CREATURE);
+        color.setWhite(true);
+        subtype.add(SubType.SAMURAI);
+        power = new MageInt(2);
+        toughness = new MageInt(2);
+        addAbility(DoubleStrikeAbility.getInstance());
+    }
+
+    private DoublestrikeSamuraiToken(final DoublestrikeSamuraiToken token) {
+        super(token);
+    }
+
+    @Override
+    public DoublestrikeSamuraiToken copy() {
+        return new DoublestrikeSamuraiToken(this);
+    }
+}