foul-magics/Mage.Sets/src/mage/sets/commander2013/MagusOfTheArena.java

/*
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 *        of conditions and the following disclaimer in the documentation and/or other materials
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package mage.sets.commander2013;

import java.util.UUID;
import mage.MageInt;
import mage.abilities.Ability;
import mage.abilities.common.SimpleActivatedAbility;
import mage.abilities.costs.common.TapSourceCost;
import mage.abilities.costs.mana.GenericManaCost;
import mage.abilities.effects.OneShotEffect;
import mage.abilities.effects.common.FightTargetsEffect;
import mage.cards.CardImpl;
import mage.constants.CardType;
import mage.constants.Outcome;
import mage.constants.Rarity;
import mage.constants.Zone;
import mage.filter.common.FilterControlledCreaturePermanent;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.players.Player;
import mage.target.common.TargetControlledCreaturePermanent;
import mage.target.common.TargetControlledPermanent;
import mage.target.common.TargetOpponent;

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

    public MagusOfTheArena(UUID ownerId) {
        super(ownerId, 115, "Magus of the Arena", Rarity.RARE, new CardType[]{CardType.CREATURE}, "{4}{R}{R}");
        this.expansionSetCode = "C13";
        this.subtype.add("Human");
        this.subtype.add("Wizard");

        this.color.setRed(true);
        this.power = new MageInt(5);
        this.toughness = new MageInt(5);

        // {3}, {tap}: Tap target creature you control and target creature of an opponent's choice he or she controls. Those creatures fight each other.
        Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD, new MagusOfTheArenaEffect(), new GenericManaCost(3));
        ability.addCost(new TapSourceCost());
        ability.addTarget(new TargetControlledCreaturePermanent(true));
        ability.addTarget(new TargetOpponentsChoiceControlledCreaturePermanent());
        this.addAbility(ability);
    }

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

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

class MagusOfTheArenaEffect extends OneShotEffect {

    public MagusOfTheArenaEffect() {
        super(Outcome.Benefit);
        this.staticText = "Tap target creature you control and target creature of an opponent's choice he or she controls. Those creatures fight each other";
    }

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

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

    @Override
    public boolean apply(Game game, Ability source) {
        Permanent creature = game.getPermanent(source.getFirstTarget());
        if (creature != null) {
            creature.tap(game);
        }
        creature = game.getPermanent(source.getTargets().get(1).getFirstTarget());
        if (creature != null) {
            creature.tap(game);
        }
        return new FightTargetsEffect().apply(game, source);
    }
}

class TargetOpponentsChoiceControlledCreaturePermanent extends TargetControlledPermanent<TargetOpponentsChoiceControlledCreaturePermanent> {

    private UUID opponentId = null;

    public TargetOpponentsChoiceControlledCreaturePermanent() {
        super(1, 1, new FilterControlledCreaturePermanent(), false);
        this.setRequired(true);
        this.targetName = filter.getMessage();
    }

    public TargetOpponentsChoiceControlledCreaturePermanent(final TargetOpponentsChoiceControlledCreaturePermanent target) {
        super(target);
        this.opponentId = target.opponentId;
    }

    @Override
    public boolean canTarget(UUID controllerId, UUID id, UUID sourceId, Game game, boolean flag) {
        if (opponentId != null) {
            return super.canTarget(opponentId, id, sourceId, game, flag);
        }
        return false;
    }

    @Override
    public boolean canTarget(UUID controllerId, UUID id, Ability source, Game game) {
        if (opponentId != null) {
            return super.canTarget(opponentId, id, source, game);
        }
        return false;
    }

    @Override
    public boolean chooseTarget(Outcome outcome, UUID playerId, Ability source, Game game) {
        return super.chooseTarget(outcome, getOpponentId(playerId, source, game), source, game);
    }

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

    private UUID getOpponentId(UUID playerId, Ability source, Game game) {
        if (opponentId == null) {
            TargetOpponent target = new TargetOpponent(true);
            Player player = game.getPlayer(playerId);
            if (player != null) {
                if (player.chooseTarget(Outcome.Detriment, target, source, game)) {
                    opponentId = target.getFirstTarget();
                }
            }

        }
        return opponentId;
    }

}