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 *        of conditions and the following disclaimer in the documentation and/or other materials
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package mage.cards.g;

import java.util.UUID;
import mage.MageInt;
import mage.abilities.Ability;
import mage.abilities.common.EntersBattlefieldTriggeredAbility;
import mage.abilities.dynamicvalue.common.DevotionCount;
import mage.abilities.effects.OneShotEffect;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.CardType;
import mage.constants.ColoredManaSymbol;
import mage.constants.Outcome;
import mage.game.Game;
import mage.players.Player;

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

    public GrayMerchantOfAsphodel(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{3}{B}{B}");
        this.subtype.add("Zombie");

        this.power = new MageInt(2);
        this.toughness = new MageInt(4);

        // When Gray Merchant of Asphodel enters the battlefield, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way.
        this.addAbility(new EntersBattlefieldTriggeredAbility(new GrayMerchantOfAsphodelEffect(), false));
    }

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

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

class GrayMerchantOfAsphodelEffect extends OneShotEffect {

    public GrayMerchantOfAsphodelEffect() {
        super(Outcome.Benefit);
        this.staticText = "each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. <i>(Each {B} in the mana costs of permanents you control counts towards your devotion to black.)</i>";
    }

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

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

    @Override
    public boolean apply(Game game, Ability source) {
        Player controller = game.getPlayer(source.getControllerId());
        if (controller != null) {
            int lifeLost = 0;
            int damage = new DevotionCount(ColoredManaSymbol.B).calculate(game, source, this);
            if (damage > 0) {
                for (UUID playerId : game.getOpponents(source.getControllerId())) {
                    Player opponent = game.getPlayer(playerId);
                    if (opponent != null) {
                        lifeLost += opponent.loseLife(damage, game, false);
                    }
                }
            }
            controller.gainLife(lifeLost, game);
            return true;
        }
        return false;
    }
}