MindFuneral.java example

Explorer
mage-master
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package mage.cards.m;

import java.util.UUID;
import mage.constants.CardType;
import mage.constants.Outcome;
import mage.constants.Zone;
import mage.abilities.Ability;
import mage.abilities.effects.OneShotEffect;
import mage.cards.Card;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.cards.Cards;
import mage.cards.CardsImpl;
import mage.game.Game;
import mage.players.Player;
import mage.target.common.TargetOpponent;

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

    public MindFuneral(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId,setInfo,new CardType[]{CardType.SORCERY},"{1}{U}{B}");


        

        // Target opponent reveals cards from the top of his or her library until four land cards are revealed. That player puts all cards revealed this way into his or her graveyard.
        this.getSpellAbility().addEffect(new MindFuneralEffect());
        this.getSpellAbility().addTarget(new TargetOpponent());
        
    }

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

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

class MindFuneralEffect extends OneShotEffect {

    public MindFuneralEffect() {
        super(Outcome.Detriment);
        this.staticText = "Target opponent reveals cards from the top of his or her library until four land cards are revealed. That player puts all cards revealed this way into his or her graveyard";
    }

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

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

    @Override
    public boolean apply(Game game, Ability source) {
        Player opponent = game.getPlayer(getTargetPointer().getFirst(game, source));
        if (opponent != null) {
            Cards cards = new CardsImpl();
            int landsFound = 0;
            while (landsFound < 4 && opponent.getLibrary().hasCards()) {
                Card card = opponent.getLibrary().removeFromTop(game);
                if (card == null) {
                    break;
                }
                if (card.isLand()) {
                    landsFound++;
                }
                cards.add(card);
            }
            opponent.revealCards("Mind Funeral", cards, game);
            opponent.moveCards(cards, Zone.GRAVEYARD, source, game);
            return true;
        }

        return false;
    }
}