implement [BLB] Helga, Skittish Seer (#12740)

Mage.Sets/src/mage/cards/h/HelgaSkittishSeer.java

@@ -0,0 +1,172 @@
+package mage.cards.h;
+
+import mage.ConditionalMana;
+import mage.MageInt;
+import mage.MageObject;
+import mage.Mana;
+import mage.abilities.Ability;
+import mage.abilities.common.SpellCastControllerTriggeredAbility;
+import mage.abilities.costs.Cost;
+import mage.abilities.costs.common.TapSourceCost;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.dynamicvalue.common.SourcePermanentPowerCount;
+import mage.abilities.effects.common.DrawCardSourceControllerEffect;
+import mage.abilities.effects.common.GainLifeEffect;
+import mage.abilities.effects.common.counter.AddCountersSourceEffect;
+import mage.abilities.effects.mana.ManaEffect;
+import mage.abilities.mana.SimpleManaAbility;
+import mage.abilities.mana.builder.ConditionalManaBuilder;
+import mage.abilities.mana.conditional.CreatureCastManaCondition;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.choices.ChoiceColor;
+import mage.constants.*;
+import mage.counters.CounterType;
+import mage.filter.FilterSpell;
+import mage.filter.common.FilterCreatureSpell;
+import mage.filter.predicate.mageobject.ManaValuePredicate;
+import mage.game.Game;
+import mage.players.Player;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+public class HelgaSkittishSeer extends CardImpl {
+
+    private static final FilterSpell filter = new FilterCreatureSpell("a creature spell with mana value 4 or greater");
+
+    static {
+        filter.add(new ManaValuePredicate(ComparisonType.OR_GREATER, 4));
+    }
+
+    public HelgaSkittishSeer(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{G}{W}{U}");
+        this.supertype.add(SuperType.LEGENDARY);
+        this.subtype.add(SubType.FROG);
+        this.subtype.add(SubType.DRUID);
+        this.power = new MageInt(1);
+        this.toughness = new MageInt(3);
+
+        // Whenever you cast a creature spell with mana value 4 or greater, you draw a card, gain 1 life and put a +1/+1 counter on Helga, Skittish Seer
+        Ability ability = new SpellCastControllerTriggeredAbility(
+                new DrawCardSourceControllerEffect(1, true), filter, false
+        );
+        ability.addEffect(new GainLifeEffect(1).setText(", gain 1 life"));
+        ability.addEffect(new AddCountersSourceEffect(CounterType.P1P1.createInstance()).concatBy("and"));
+
+        this.addAbility(ability);
+
+        // {T}: Add X mana of any one color, where X is Helga, Skittish Seer's power. Use this mana only to cast creature spells with mana value 4 or greater or to cas creature spells with {x} in their mana costs
+        this.addAbility(
+                new SimpleManaAbility(
+                        Zone.BATTLEFIELD,
+                        new HelgaSkittishSeerManaEffect(new SourcePermanentPowerCount()),
+                        new TapSourceCost()
+                )
+        );
+    }
+
+    private HelgaSkittishSeer(final HelgaSkittishSeer card) {
+        super(card);
+    }
+
+    @Override
+    public HelgaSkittishSeer copy(){
+        return new HelgaSkittishSeer(this);
+    }
+}
+
+class HelgaSkittishSeerManaBuilder extends ConditionalManaBuilder{
+    @Override
+    public ConditionalMana build(Object... options){
+        return new HelgaSkittishSeerConditionalMana(this.mana);
+    }
+
+    @Override
+    public String getRule(){
+        return "Spend this mana only to cast creature spells with mana value 4 or greater or creature spells with {X} in their mana costs";
+    }
+}
+
+class HelgaSkittishSeerConditionalMana extends ConditionalMana {
+
+    HelgaSkittishSeerConditionalMana(Mana mana){
+        super(mana);
+        staticText = "Spend this mana only to cast creature spells with mana value 4 or greater or creature spells with {X} in their mana costs";
+        addCondition(new HelgaSkittishSeerManaCondition());
+    }
+}
+
+class HelgaSkittishSeerManaCondition extends CreatureCastManaCondition {
+
+    @Override
+    public boolean apply(Game game, Ability source, UUID originalId, Cost costToPay) {
+        // ... Check if the mana is being used for a creature spell
+        if (super.apply(game, source)){
+            MageObject object = game.getObject(source);
+            // ... Check if mana is used for spell wit mana value >= 4 or for spell with {x} in its mana cost
+            if (object != null && (object.getManaValue() >= 4 || object.getManaCost().containsX())) {
+                return true;
+            }
+        }
+        return false;
+    }
+}
+
+class HelgaSkittishSeerManaEffect extends ManaEffect {
+
+    ConditionalManaBuilder manaBuilder = new HelgaSkittishSeerManaBuilder();
+    DynamicValue power;
+
+    HelgaSkittishSeerManaEffect(DynamicValue power) {
+        this.power = power;
+        this.staticText = "Add X mana of any one color, where X is {this}'s power. " + manaBuilder.getRule();
+    }
+
+    private HelgaSkittishSeerManaEffect(final HelgaSkittishSeerManaEffect effect) {
+        super(effect);
+        this.power = effect.power.copy();
+    }
+
+    @Override
+    public List<Mana> getNetMana(Game game, Ability source) {
+        List<Mana> netMana = new ArrayList<>();
+        if (game != null){
+            int currentPower = calculatePower(game, source);
+            netMana.add(manaBuilder.setMana(Mana.BlackMana(currentPower), source, game).build());
+            netMana.add(manaBuilder.setMana(Mana.BlueMana(currentPower), source, game).build());
+            netMana.add(manaBuilder.setMana(Mana.RedMana(currentPower), source, game).build());
+            netMana.add(manaBuilder.setMana(Mana.GreenMana(currentPower), source, game).build());
+            netMana.add(manaBuilder.setMana(Mana.WhiteMana(currentPower), source, game).build());
+        }
+        return netMana;
+    }
+
+    @Override
+    public Mana produceMana(Game game, Ability source) {
+        Mana mana = new Mana();
+        if (game == null){
+            return mana;
+        }
+        Player controller = game.getPlayer(source.getControllerId());
+        if (controller != null){
+            ChoiceColor choice = new ChoiceColor();
+            if (!controller.choose(Outcome.PutManaInPool, choice, game)){
+                return mana;
+            }
+            Mana chosen = choice.getMana(calculatePower(game, source));
+            return manaBuilder.setMana(chosen, source, game).build();
+        }
+        return mana;
+    }
+
+    private int calculatePower(Game game, Ability source){
+        return power.calculate(game, source, this);
+    }
+
+    @Override
+    public HelgaSkittishSeerManaEffect copy() {
+        return new HelgaSkittishSeerManaEffect(this);
+    }
+}

Mage.Sets/src/mage/sets/Bloomburrow.java

@@ -117,6 +117,7 @@ public final class Bloomburrow extends ExpansionSet {
         cards.add(new SetCardInfo("Heaped Harvest", 175, Rarity.COMMON, mage.cards.h.HeapedHarvest.class));
         cards.add(new SetCardInfo("Heartfire Hero", 138, Rarity.UNCOMMON, mage.cards.h.HeartfireHero.class));
         cards.add(new SetCardInfo("Hearthborn Battler", 139, Rarity.RARE, mage.cards.h.HearthbornBattler.class));
+        cards.add(new SetCardInfo("Helga, Skittish Seer", 217, Rarity.MYTHIC, mage.cards.h.HelgaSkittishSeer.class));
         cards.add(new SetCardInfo("Hidden Grotto", 254, Rarity.COMMON, mage.cards.h.HiddenGrotto.class));
         cards.add(new SetCardInfo("High Stride", 176, Rarity.COMMON, mage.cards.h.HighStride.class));
         cards.add(new SetCardInfo("Hired Claw", 140, Rarity.RARE, mage.cards.h.HiredClaw.class));