TreasureHunt.java example

Explorer
mage-master
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package mage.cards.t;

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.CardsImpl;
import mage.game.Game;
import mage.players.Library;
import mage.players.Player;

/**
 *
 * @author North
 */
public class TreasureHunt extends CardImpl {

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


        // Reveal cards from the top of your library until you reveal a nonland card, then put all cards revealed this way into your hand.
        this.getSpellAbility().addEffect(new TreasureHuntEffect());
    }

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

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

class TreasureHuntEffect extends OneShotEffect {

    public TreasureHuntEffect() {
        super(Outcome.DrawCard);
        this.staticText = "Reveal cards from the top of your library until you reveal a nonland card, then put all cards revealed this way into your hand";
    }

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

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

    @Override
    public boolean apply(Game game, Ability source) {
        Player player = game.getPlayer(source.getControllerId());
        if (player != null && player.getLibrary().hasCards()) {
            CardsImpl cards = new CardsImpl();
            Library library = player.getLibrary();
            Card card = null;
            do {
                card = library.removeFromTop(game);
                if (card != null) {
                    cards.add(card);
                    card.moveToZone(Zone.HAND, source.getSourceId(), game, false);
                }
            } while (library.hasCards() && card != null && card.isLand());

            if (!cards.isEmpty()) {
                player.revealCards("Treasure Hunt", cards, game);
            }
            return true;
        }
        return false;
    }
}