[OTJ] Implementing "spree" mechanic (#12018)

* [OTJ] Implement Unfortunate Accident

* fix errors

* a few more things

* [OTJ] Implement Three Steps Ahead

* [OTJ] Implement Caught in the Crossfire

* [OTJ] Implement Insatiable Avarice

* add test

* [OTJ] Implement Explosive Derailment

* [OTJ] Implement Requisition Raid

* [OTJ] Implement Rustler Rampage

* add comment to test

* [OTJ] Implement Metamorphic Blast

* [OTJ] Implement Final Showdown

* rework cost addition, add test

* move cost application to its own loop

Mage/src/main/java/mage/abilities/Ability.java

@@ -514,6 +514,14 @@ public interface Ability extends Controllable, Serializable {
      */
     Ability withFirstModeFlavorWord(String flavorWord);
 
+    /**
+     * Sets cost word for first mode
+     *
+     * @param cost
+     * @return
+     */
+    Ability withFirstModeCost(Cost cost);
+
     /**
      * Creates the message about the ability casting/triggering/activating to
      * post in the game log before the ability resolves.

Mage/src/main/java/mage/abilities/AbilityImpl.java

@@ -311,6 +311,16 @@ public abstract class AbilityImpl implements Ability {
             return false;
         }
 
+        // apply mode costs if they have them
+        for (UUID modeId : this.getModes().getSelectedModes()) {
+            Cost cost = this.getModes().get(modeId).getCost();
+            if (cost instanceof ManaCost) {
+                this.addManaCostsToPay((ManaCost) cost.copy());
+            } else if (cost != null) {
+                this.costs.add(cost.copy());
+            }
+        }
+
         // unit tests only: it allows to add targets/choices by two ways:
         // 1. From cast/activate command params (process it here)
         // 2. From single addTarget/setChoice, it's a preffered method for tests (process it in normal choose dialogs like human player)
@@ -1141,6 +1151,12 @@ public abstract class AbilityImpl implements Ability {
         return this;
     }
 
+    @Override
+    public Ability withFirstModeCost(Cost cost) {
+        this.modes.getMode().withCost(cost);
+        return this;
+    }
+
     @Override
     public String getGameLogMessage(Game game) {
         if (game.isSimulation()) {

Mage/src/main/java/mage/abilities/Mode.java

@@ -1,5 +1,6 @@
 package mage.abilities;
 
+import mage.abilities.costs.Cost;
 import mage.abilities.effects.Effect;
 import mage.abilities.effects.Effects;
 import mage.target.Target;
@@ -17,6 +18,7 @@ public class Mode implements Serializable {
     protected final Targets targets;
     protected final Effects effects;
     protected String flavorWord;
+    protected Cost cost = null;
     /**
      * Optional Tag to distinguish this mode from others.
      * In the case of modes that players can only choose once,
@@ -39,6 +41,7 @@ public class Mode implements Serializable {
         this.effects = mode.effects.copy();
         this.flavorWord = mode.flavorWord;
         this.modeTag = mode.modeTag;
+        this.cost = mode.cost != null ? mode.cost.copy() : null;
     }
 
     public UUID setRandomId() {
@@ -107,4 +110,13 @@ public class Mode implements Serializable {
         this.flavorWord = flavorWord;
         return this;
     }
+
+    public Mode withCost(Cost cost) {
+        this.cost = cost;
+        return this;
+    }
+
+    public Cost getCost() {
+        return cost;
+    }
 }

Mage/src/main/java/mage/abilities/Modes.java

@@ -584,7 +584,14 @@ public class Modes extends LinkedHashMap<UUID, Mode> implements Copyable<Modes>
         sb.append("<br>");
 
         for (Mode mode : this.values()) {
-            sb.append("&bull  ");
+            if (mode.getCost() != null) {
+                // for Spree
+                sb.append("+ ");
+                sb.append(mode.getCost().getText());
+                sb.append(" &mdash; ");
+            } else {
+                sb.append("&bull  ");
+            }
             sb.append(mode.getEffects().getTextStartingUpperCase(mode));
             sb.append("<br>");
         }

Mage/src/main/java/mage/abilities/keyword/SpreeAbility.java

@@ -0,0 +1,28 @@
+package mage.abilities.keyword;
+
+import mage.abilities.StaticAbility;
+import mage.cards.Card;
+import mage.constants.Zone;
+
+/**
+ * @author TheElk801
+ */
+public class SpreeAbility extends StaticAbility {
+
+    public SpreeAbility(Card card) {
+        super(Zone.ALL, null);
+        this.setRuleVisible(false);
+        card.getSpellAbility().getModes().setChooseText("Spree <i>(Choose one or more additional costs.)</i>");
+        card.getSpellAbility().getModes().setMinModes(1);
+        card.getSpellAbility().getModes().setMaxModes(Integer.MAX_VALUE);
+    }
+
+    private SpreeAbility(final SpreeAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public SpreeAbility copy() {
+        return new SpreeAbility(this);
+    }
+}

Mage/src/main/java/mage/game/stack/StackAbility.java

@@ -414,14 +414,17 @@ public class StackAbility extends StackObjectImpl implements Ability {
     public void addManaCostsToPay(ManaCost manaCost) {
         // Do nothing
     }
+
     @Override
     public Map<String, Object> getCostsTagMap() {
         return ability.getCostsTagMap();
     }
+
     @Override
-    public void setCostsTag(String tag, Object value){
+    public void setCostsTag(String tag, Object value) {
         ability.setCostsTag(tag, value);
     }
+
     @Override
     public AbilityType getAbilityType() {
         return ability.getAbilityType();
@@ -539,6 +542,11 @@ public class StackAbility extends StackObjectImpl implements Ability {
         throw new UnsupportedOperationException("Not supported.");
     }
 
+    @Override
+    public Ability withFirstModeCost(Cost cost) {
+        throw new UnsupportedOperationException("Not supported.");
+    }
+
     @Override
     public boolean activateAlternateOrAdditionalCosts(MageObject sourceObject, boolean noMana, Player controller, Game game) {
         throw new UnsupportedOperationException("Not supported yet.");