From a287582026365960dd78113fcd47911c4c7295d2 Mon Sep 17 00:00:00 2001
From: xenohedron <xenohedron@users.noreply.github.com>
Date: Tue, 4 Jul 2023 17:48:56 -0400
Subject: [PATCH] fix Vanish Into Eternity

---
 .../src/mage/cards/v/VanishIntoEternity.java  |   4 +-
 .../cost/SpellCostIncreaseSourceEffect.java   | 102 ++++++++++++++++++
 2 files changed, 104 insertions(+), 2 deletions(-)
 create mode 100644 Mage/src/main/java/mage/abilities/effects/common/cost/SpellCostIncreaseSourceEffect.java

diff --git a/Mage.Sets/src/mage/cards/v/VanishIntoEternity.java b/Mage.Sets/src/mage/cards/v/VanishIntoEternity.java
index f4a4c1462ad..57be1a2017e 100644
--- a/Mage.Sets/src/mage/cards/v/VanishIntoEternity.java
+++ b/Mage.Sets/src/mage/cards/v/VanishIntoEternity.java
@@ -6,7 +6,7 @@ import mage.abilities.common.SimpleStaticAbility;
 import mage.abilities.condition.Condition;
 import mage.abilities.condition.common.SourceTargetsPermanentCondition;
 import mage.abilities.effects.common.ExileTargetEffect;
-import mage.abilities.effects.common.cost.SpellCostReductionSourceEffect;
+import mage.abilities.effects.common.cost.SpellCostIncreaseSourceEffect;
 import mage.cards.CardImpl;
 import mage.cards.CardSetInfo;
 import mage.constants.CardType;
@@ -27,7 +27,7 @@ public final class VanishIntoEternity extends CardImpl {
 
         // This spell costs {3} more to cast if it targets a creature.
         this.addAbility(new SimpleStaticAbility(
-                Zone.ALL, new SpellCostReductionSourceEffect(3, condition).setCanWorksOnStackOnly(true)
+                Zone.ALL, new SpellCostIncreaseSourceEffect(3, condition).setCanWorksOnStackOnly(true)
         ).setRuleAtTheTop(true));
 
         // Exile target nonland permanent.
diff --git a/Mage/src/main/java/mage/abilities/effects/common/cost/SpellCostIncreaseSourceEffect.java b/Mage/src/main/java/mage/abilities/effects/common/cost/SpellCostIncreaseSourceEffect.java
new file mode 100644
index 00000000000..7a72c93cf06
--- /dev/null
+++ b/Mage/src/main/java/mage/abilities/effects/common/cost/SpellCostIncreaseSourceEffect.java
@@ -0,0 +1,102 @@
+package mage.abilities.effects.common.cost;
+
+import mage.abilities.Ability;
+import mage.abilities.SpellAbility;
+import mage.abilities.condition.Condition;
+import mage.abilities.costs.mana.ManaCost;
+import mage.abilities.costs.mana.ManaCosts;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.dynamicvalue.common.StaticValue;
+import mage.constants.CostModificationType;
+import mage.constants.Duration;
+import mage.constants.Outcome;
+import mage.game.Game;
+import mage.util.CardUtil;
+
+/**
+ * @author LevelX2
+ */
+public class SpellCostIncreaseSourceEffect extends CostModificationEffectImpl {
+
+    private final DynamicValue amount;
+    private ManaCosts<ManaCost> manaCostsToIncrease = null;
+    private Condition condition;
+
+    public SpellCostIncreaseSourceEffect(ManaCosts<ManaCost> manaCostsToIncrease) {
+        this(manaCostsToIncrease, null);
+    }
+
+    public SpellCostIncreaseSourceEffect(ManaCosts<ManaCost> manaCostsToIncrease, Condition condition) {
+        super(Duration.WhileOnBattlefield, Outcome.Benefit, CostModificationType.INCREASE_COST);
+        this.amount = StaticValue.get(0);
+        this.manaCostsToIncrease = manaCostsToIncrease;
+        this.condition = condition;
+
+        StringBuilder sb = new StringBuilder();
+        sb.append("this spell costs ");
+        sb.append(manaCostsToIncrease.getText());
+        sb.append(" more to cast");
+        if (this.condition != null) {
+            sb.append(" if ").append(this.condition.toString());
+        }
+        this.staticText = sb.toString();
+    }
+
+    public SpellCostIncreaseSourceEffect(int amount) {
+        this(StaticValue.get(amount), null);
+    }
+
+    public SpellCostIncreaseSourceEffect(DynamicValue amount) {
+        this(amount, null);
+    }
+
+    public SpellCostIncreaseSourceEffect(int amount, Condition condition) {
+        this(StaticValue.get(amount), condition);
+    }
+
+    public SpellCostIncreaseSourceEffect(DynamicValue amount, Condition condition) {
+        super(Duration.WhileOnBattlefield, Outcome.Benefit, CostModificationType.REDUCE_COST);
+        this.amount = amount;
+        this.condition = condition;
+        StringBuilder sb = new StringBuilder();
+        sb.append("this spell costs {").append(this.amount).append("} more to cast");
+        if (this.condition != null) {
+            sb.append(" ").append(this.condition.toString().startsWith("if ") ? "" : "if ");
+            sb.append(this.condition.toString());
+        }
+        if (this.amount.toString().equals("X")) {
+            sb.append(", where X is ").append(this.amount.getMessage());
+        }
+        this.staticText = sb.toString();
+    }
+
+    protected SpellCostIncreaseSourceEffect(final SpellCostIncreaseSourceEffect effect) {
+        super(effect);
+        this.amount = effect.amount;
+        this.manaCostsToIncrease = effect.manaCostsToIncrease;
+        this.condition = effect.condition;
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source, Ability abilityToModify) {
+        if (manaCostsToIncrease != null) {
+            CardUtil.increaseCost((SpellAbility) abilityToModify, manaCostsToIncrease);
+        } else {
+            CardUtil.increaseCost(abilityToModify, this.amount.calculate(game, source, this));
+        }
+        return true;
+    }
+
+    @Override
+    public boolean applies(Ability abilityToModify, Ability source, Game game) {
+        if (abilityToModify.getSourceId().equals(source.getSourceId()) && (abilityToModify instanceof SpellAbility)) {
+            return condition == null || condition.apply(game, source);
+        }
+        return false;
+    }
+
+    @Override
+    public SpellCostIncreaseSourceEffect copy() {
+        return new SpellCostIncreaseSourceEffect(this);
+    }
+}