mage/Mage.Sets/src/mage/cards/l/LoyalApprentice.java

package mage.cards.l;

import mage.MageInt;
import mage.abilities.Ability;
import mage.abilities.common.BeginningOfCombatTriggeredAbility;
import mage.abilities.condition.common.CommanderInPlayCondition;
import mage.abilities.decorator.ConditionalTriggeredAbility;
import mage.abilities.effects.OneShotEffect;
import mage.abilities.effects.common.continuous.GainAbilityTargetEffect;
import mage.abilities.keyword.HasteAbility;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.*;
import mage.game.Game;
import mage.game.permanent.token.ThopterColorlessToken;
import mage.game.permanent.token.Token;
import mage.target.targetpointer.FixedTargets;

import java.util.Objects;
import java.util.UUID;
import java.util.stream.Collectors;

/**
 * @author TheElk801
 */
public final class LoyalApprentice extends CardImpl {

    public LoyalApprentice(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{1}{R}");

        this.subtype.add(SubType.HUMAN);
        this.subtype.add(SubType.ARTIFICER);
        this.power = new MageInt(2);
        this.toughness = new MageInt(1);

        // Haste
        this.addAbility(HasteAbility.getInstance());

        // Lieutenant — At the beginning of combat on your turn, if you control your commander, create a 1/1 colorless Thopter artifact creature token with flying. That token gains haste until end of turn.
        this.addAbility(new ConditionalTriggeredAbility(
                new BeginningOfCombatTriggeredAbility(
                        new LoyalApprenticeEffect(), TargetController.YOU, false
                ), CommanderInPlayCondition.instance, "<i>Lieutenant</i> &mdash; " +
                "At the beginning of combat on your turn, if you control your commander, " +
                "create a 1/1 colorless Thopter artifact creature token with flying. " +
                "That token gains haste until end of turn."
        ));
    }

    private LoyalApprentice(final LoyalApprentice card) {
        super(card);
    }

    @Override
    public LoyalApprentice copy() {
        return new LoyalApprentice(this);
    }
}

class LoyalApprenticeEffect extends OneShotEffect {

    public LoyalApprenticeEffect() {
        super(Outcome.Benefit);
    }

    public LoyalApprenticeEffect(final LoyalApprenticeEffect effect) {
        super(effect);
    }

    @Override
    public LoyalApprenticeEffect copy() {
        return new LoyalApprenticeEffect(this);
    }

    @Override
    public boolean apply(Game game, Ability source) {
        Token token = new ThopterColorlessToken();
        token.putOntoBattlefield(1, game, source, source.getControllerId());
        game.addEffect(new GainAbilityTargetEffect(
                HasteAbility.getInstance(), Duration.EndOfTurn
        ).setTargetPointer(new FixedTargets(
                token.getLastAddedTokenIds()
                        .stream()
                        .map(game::getPermanent)
                        .filter(Objects::nonNull)
                        .collect(Collectors.toList()), game
        )), source);
        return true;
    }
}