Implementing "Start your engines!" mechanic (#13259)

* add initial speed handling

* finish speed implementation

* remove skip list

* add initial test

* add some more tests

* change speed initialization to state-based action

* add opponent speed check

* add control change test

* add check for speed 5

Mage/src/main/java/mage/designations/Speed.java

@@ -0,0 +1,108 @@
+package mage.designations;
+
+import mage.MageObject;
+import mage.abilities.Ability;
+import mage.abilities.TriggeredAbilityImpl;
+import mage.abilities.effects.OneShotEffect;
+import mage.constants.Outcome;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.players.Player;
+
+import java.util.Optional;
+
+/**
+ * @author TheElk801
+ */
+public class Speed extends Designation {
+
+    public Speed() {
+        super(DesignationType.SPEED);
+        addAbility(new SpeedTriggeredAbility());
+    }
+
+    private Speed(final Speed card) {
+        super(card);
+    }
+
+    @Override
+    public Speed copy() {
+        return new Speed(this);
+    }
+}
+
+class SpeedTriggeredAbility extends TriggeredAbilityImpl {
+
+    SpeedTriggeredAbility() {
+        super(Zone.ALL, new SpeedEffect());
+        setTriggersLimitEachTurn(1);
+    }
+
+    private SpeedTriggeredAbility(final SpeedTriggeredAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public SpeedTriggeredAbility copy() {
+        return new SpeedTriggeredAbility(this);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.LOST_LIFE_BATCH_FOR_ONE_PLAYER;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        return game.isActivePlayer(getControllerId())
+                && game
+                .getOpponents(getControllerId())
+                .contains(event.getTargetId());
+    }
+
+    @Override
+    public boolean checkInterveningIfClause(Game game) {
+        return Optional
+                .ofNullable(getControllerId())
+                .map(game::getPlayer)
+                .map(Player::getSpeed)
+                .map(x -> x < 4)
+                .orElse(false);
+    }
+
+    @Override
+    public boolean isInUseableZone(Game game, MageObject sourceObject, GameEvent event) {
+        return true;
+    }
+
+    @Override
+    public String getRule() {
+        return "Whenever one or more opponents lose life during your turn, if your speed is less than 4, " +
+                "increase your speed by 1. This ability triggers only once each turn.";
+    }
+}
+
+class SpeedEffect extends OneShotEffect {
+
+    SpeedEffect() {
+        super(Outcome.Benefit);
+    }
+
+    private SpeedEffect(final SpeedEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public SpeedEffect copy() {
+        return new SpeedEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Optional.ofNullable(source.getControllerId())
+                .map(game::getPlayer)
+                .ifPresent(player -> player.increaseSpeed(game));
+        return true;
+    }
+}