GlimpseTheFuture.java example

Explorer
mage-master
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package mage.cards.g;

import mage.abilities.Ability;
import mage.abilities.effects.OneShotEffect;
import mage.cards.*;
import mage.constants.CardType;
import mage.constants.Outcome;
import mage.constants.Zone;
import mage.filter.FilterCard;
import mage.game.Game;
import mage.players.Player;
import mage.target.TargetCard;

import java.util.UUID;

/**
 *
 * @author LevelX2
 */
public class GlimpseTheFuture extends CardImpl {

    public GlimpseTheFuture(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId,setInfo,new CardType[]{CardType.SORCERY},"{2}{U}");


        // Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard. 
        this.getSpellAbility().addEffect(new GlimpseTheFutureEffect());

    }

    public GlimpseTheFuture(final GlimpseTheFuture card) {
        super(card);
    }

    @Override
    public GlimpseTheFuture copy() {
        return new GlimpseTheFuture(this);
    }
}
class GlimpseTheFutureEffect extends OneShotEffect {

    public GlimpseTheFutureEffect() {
        super(Outcome.DrawCard);
        this.staticText = "Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard";
    }

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

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

    @Override
    public boolean apply(Game game, Ability source) {
        Player controller = game.getPlayer(source.getControllerId());

        if (controller != null) {
            Cards cards = new CardsImpl();
            int cardsCount = Math.min(3, controller.getLibrary().size());
            for (int i = 0; i < cardsCount; i++) {
                Card card = controller.getLibrary().removeFromTop(game);
                if (card != null) {
                    cards.add(card);
                }
            }

            if (!cards.isEmpty()) {
                controller.lookAtCards("Glimpse the Future", cards, game);

                TargetCard target = new TargetCard(Zone.LIBRARY, new FilterCard("card to put in your hand"));
                if (controller.choose(Outcome.Benefit, cards, target, game)) {
                    Card card = cards.get(target.getFirstTarget(), game);
                    if (card != null) {
                        card.moveToZone(Zone.HAND, source.getSourceId(), game, false);
                        cards.remove(card);
                    }
                }
                controller.moveCards(cards, Zone.GRAVEYARD, source, game);
            }
            return true;
        }
        return false;
    }
}