mage/Mage.Sets/src/mage/sets/odyssey/AetherBurst.java

/*
 *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without modification, are
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 *        conditions and the following disclaimer.
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 *     2. Redistributions in binary form must reproduce the above copyright notice, this list
 *        of conditions and the following disclaimer in the documentation and/or other materials
 *        provided with the distribution.
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 *  THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
 *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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package mage.sets.odyssey;

import mage.constants.CardType;
import mage.constants.Rarity;
import mage.abilities.Ability;
import mage.abilities.Mode;
import mage.abilities.effects.common.ReturnToHandTargetEffect;
import mage.cards.CardImpl;
import mage.filter.FilterCard;
import mage.filter.common.FilterCreaturePermanent;
import mage.filter.predicate.mageobject.NamePredicate;
import mage.game.Game;
import mage.players.Player;
import mage.target.Target;
import mage.target.TargetPermanent;

import java.util.UUID;

/**
 *
 * @author magenoxx_at_gmail.com
 */
public class AetherBurst extends CardImpl {

    private static final FilterCard filter = new FilterCard("cards named Aether Burst");

    static {
        filter.add(new NamePredicate("Aether Burst"));
    }

    public AetherBurst(UUID ownerId) {
        super(ownerId, 60, "Aether Burst", Rarity.COMMON, new CardType[]{CardType.INSTANT}, "{1}{U}");
        this.expansionSetCode = "ODY";


        // Return up to X target creatures to their owners' hands, where X is one plus the number of cards named Aether Burst in all graveyards as you cast Aether Burst.
        this.getSpellAbility().addEffect(new DynamicReturnToHandTargetEffect());
        this.getSpellAbility().addTarget(new DynamicTargetCreaturePermanent());
    }

    @Override
    public void adjustTargets(Ability ability, Game game) {
        Target target = ability.getTargets().get(0);
        if (target instanceof DynamicTargetCreaturePermanent) {
            Player controller = game.getPlayer(ability.getControllerId());
            int amount = 0;
            if (controller != null) {
                for (UUID playerId : game.getState().getPlayersInRange(controller.getId(), game)) {
                    Player player = game.getPlayer(playerId);
                    if (player != null) {
                        amount += player.getGraveyard().getCards(filter, game).size();
                    }
                }
            }
            ((DynamicTargetCreaturePermanent)target).setMaxNumberOfTargets(amount + 1);
        }
    }

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

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

class DynamicTargetCreaturePermanent extends TargetPermanent {

    private static final FilterCreaturePermanent filterCreature = new FilterCreaturePermanent("creatures");

    public DynamicTargetCreaturePermanent() {
        super(filterCreature);
    }

    public DynamicTargetCreaturePermanent(final DynamicTargetCreaturePermanent target) {
        super(target);
    }

    public void setMaxNumberOfTargets(int maxNumberOfTargets) {
        this.maxNumberOfTargets = maxNumberOfTargets;
    }

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

}

/**
 * We extend ReturnToHandTargetEffect class just to override the rules.
 */
class DynamicReturnToHandTargetEffect extends ReturnToHandTargetEffect {

    public DynamicReturnToHandTargetEffect() {
        super();
    }

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

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

    @Override
    public String getText(Mode mode) {
        return "Return up to X target creatures to their owners' hands, where X is one plus the number of cards named Aether Burst in all graveyards as you cast Aether Burst";
    }

}