foul-magics/Mage.Sets/src/mage/sets/odyssey/SkeletalScrying.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.odyssey;

import java.util.UUID;
import mage.abilities.Ability;
import mage.abilities.common.SimpleStaticAbility;
import mage.abilities.costs.common.ExileFromGraveCost;
import mage.abilities.dynamicvalue.DynamicValue;
import mage.abilities.dynamicvalue.common.GetXValue;
import mage.abilities.dynamicvalue.common.ManacostVariableValue;
import mage.abilities.dynamicvalue.common.StaticValue;
import mage.abilities.effects.OneShotEffect;
import mage.cards.CardImpl;
import mage.constants.CardType;
import mage.constants.Outcome;
import mage.constants.Rarity;
import mage.constants.Zone;
import mage.filter.FilterCard;
import mage.game.Game;
import mage.players.Player;
import mage.target.common.TargetCardInYourGraveyard;

/**
 *
 * @author jeffwadsworth
 */
public class SkeletalScrying extends CardImpl<SkeletalScrying> {

    public SkeletalScrying(UUID ownerId) {
        super(ownerId, 161, "Skeletal Scrying", Rarity.UNCOMMON, new CardType[]{CardType.INSTANT}, "{X}{B}");
        this.expansionSetCode = "ODY";

        this.color.setBlack(true);

        // As an additional cost to cast Skeletal Scrying, exile X cards from your graveyard.
        Ability ability = new SimpleStaticAbility(Zone.ALL,new SkeletalScryingRuleEffect());
        ability.setRuleAtTheTop(true);
        this.addAbility(ability);
        // You draw X cards and you lose X life.
        this.getSpellAbility().addEffect(new SkeletalScryingEffect(new ManacostVariableValue()));
        
    }

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

    @Override
    public void adjustCosts(Ability ability, Game game) {
        int xValue = ability.getManaCostsToPay().getX();
        if (xValue > 0) {
            ability.addCost(new ExileFromGraveCost(new TargetCardInYourGraveyard(xValue, xValue, new FilterCard("cards from your graveyard"))));
        }
    }

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

class SkeletalScryingRuleEffect extends OneShotEffect<SkeletalScryingRuleEffect> {

    public SkeletalScryingRuleEffect() {
        super(Outcome.Benefit);
        this.staticText = "As an additional cost to cast Skeletal Scrying, exile X cards from your graveyard";
    }

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

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

    @Override
    public boolean apply(Game game, Ability source) {
        return true;
    }
}
class SkeletalScryingEffect extends OneShotEffect<SkeletalScryingEffect> {

    protected DynamicValue amount;

    public SkeletalScryingEffect(int amount) {
        this(new StaticValue(amount));
    }
    
    public SkeletalScryingEffect(DynamicValue amount) {
        super(Outcome.Neutral);
        this.amount = amount.copy();
        staticText = "You draw " + amount + " cards and you lose " + amount + " life";
    }

    public SkeletalScryingEffect(final SkeletalScryingEffect effect) {
        super(effect);
        this.amount = effect.amount;
    }

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

    @Override
    public boolean apply(Game game, Ability source) {
        Player controller = game.getPlayer(source.getControllerId());
            if ( controller != null ) {
                controller.drawCards(amount.calculate(game, source), game);
                controller.loseLife(amount.calculate(game, source), game);
                return true;
            }
        return false;
    }
}