YdwenEfreet.java example

Explorer
mage-master
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package mage.cards.y;

import java.util.UUID;
import mage.MageInt;
import mage.abilities.Ability;
import mage.abilities.common.BlocksTriggeredAbility;
import mage.abilities.effects.OneShotEffect;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.CardType;
import mage.constants.Outcome;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.players.Player;


/**
 *
 * @author MarcoMarin
 */
public class YdwenEfreet extends CardImpl {

    public YdwenEfreet(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{R}{R}{R}");
        this.subtype.add("Efreet");
        this.power = new MageInt(3);
        this.toughness = new MageInt(6);

        // Whenever Ydwen Efreet blocks, flip a coin. If you lose the flip, remove Ydwen Efreet from combat and it can't block this turn. Creatures it was blocking that had become blocked by only Ydwen Efreet this combat become unblocked.
        this.addAbility(new BlocksTriggeredAbility(new YdwenEfreetEffect(), false));
    }

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

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

class YdwenEfreetEffect extends OneShotEffect {

    public YdwenEfreetEffect() {
        super(Outcome.Damage);
        staticText = "flip a coin. If you lose the flip, remove {this} from combat and it can't block.";
    }

    public YdwenEfreetEffect(YdwenEfreetEffect effect) {
        super(effect);
    }

    @Override
    public boolean apply(Game game, Ability source) {
        Player controller = game.getPlayer(source.getControllerId());
        Permanent creature = game.getPermanent(source.getSourceId());
        if (controller != null && creature != null) {
            if (controller.flipCoin(game)) {
                return true;
            } else {
                creature.removeFromCombat(game);
                creature.setMaxBlocks(0);
                return true;
                }
            }
        return false;
    }

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