From c79ebc37fdf3563195d8e85d81f565ae83e74e05 Mon Sep 17 00:00:00 2001
From: Evan Kranzler <theelk801@gmail.com>
Date: Sun, 6 Feb 2022 22:40:00 -0500
Subject: [PATCH] [NEO] Implemented Explosive Singularity

---
 .../mage/cards/e/ExplosiveSingularity.java    | 90 +++++++++++++++++++
 .../src/mage/sets/KamigawaNeonDynasty.java    |  1 +
 2 files changed, 91 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/e/ExplosiveSingularity.java

diff --git a/Mage.Sets/src/mage/cards/e/ExplosiveSingularity.java b/Mage.Sets/src/mage/cards/e/ExplosiveSingularity.java
new file mode 100644
index 00000000000..55ba1fcf561
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/e/ExplosiveSingularity.java
@@ -0,0 +1,90 @@
+package mage.cards.e;
+
+import mage.abilities.Ability;
+import mage.abilities.SpellAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.costs.common.TapTargetCost;
+import mage.abilities.effects.common.DamageTargetEffect;
+import mage.abilities.effects.common.cost.CostModificationEffectImpl;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.target.common.TargetAnyTarget;
+import mage.target.common.TargetControlledPermanent;
+import mage.util.CardUtil;
+
+import java.util.List;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class ExplosiveSingularity extends CardImpl {
+
+    public ExplosiveSingularity(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{8}{R}{R}");
+
+        // As an additional cost to cast this spell, you may tap any number of untapped creatures you control. This spell costs {1} less to cast for each creature tapped this way.
+        this.getSpellAbility().addCost(new TapTargetCost(new TargetControlledPermanent(
+                0, Integer.MAX_VALUE, StaticFilters.FILTER_CONTROLLED_UNTAPPED_CREATURES, false
+        )).setText("as an additional cost to cast this spell, you may tap any number of untapped creatures you control. " +
+                "This spell costs {1} less to cast for each creature tapped this way"));
+        Ability ability = new SimpleStaticAbility(Zone.ALL, new ExplosiveSingularityEffect());
+        ability.setRuleVisible(false);
+        this.addAbility(ability);
+
+        // Explosive Singularity deals 10 damage to any target.
+        this.getSpellAbility().addEffect(new DamageTargetEffect(10));
+        this.getSpellAbility().addTarget(new TargetAnyTarget());
+    }
+
+    private ExplosiveSingularity(final ExplosiveSingularity card) {
+        super(card);
+    }
+
+    @Override
+    public ExplosiveSingularity copy() {
+        return new ExplosiveSingularity(this);
+    }
+}
+
+class ExplosiveSingularityEffect extends CostModificationEffectImpl {
+
+    ExplosiveSingularityEffect() {
+        super(Duration.WhileOnStack, Outcome.Benefit, CostModificationType.REDUCE_COST);
+    }
+
+    private ExplosiveSingularityEffect(final ExplosiveSingularityEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source, Ability abilityToModify) {
+        SpellAbility spellAbility = (SpellAbility) abilityToModify;
+        int reduction;
+        if (game.inCheckPlayableState()) {
+            reduction = game.getBattlefield().count(
+                    StaticFilters.FILTER_CONTROLLED_UNTAPPED_CREATURES,
+                    source.getSourceId(), source.getControllerId(), game
+            );
+        } else {
+            reduction = ((List<Permanent>) spellAbility.getEffects().get(0).getValue("tappedPermanents")).size();
+        }
+        CardUtil.adjustCost(spellAbility, reduction);
+        return true;
+    }
+
+    @Override
+    public boolean applies(Ability abilityToModify, Ability source, Game game) {
+        return abilityToModify instanceof SpellAbility
+                && abilityToModify.getSourceId().equals(source.getSourceId());
+    }
+
+    @Override
+    public ExplosiveSingularityEffect copy() {
+        return new ExplosiveSingularityEffect(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/KamigawaNeonDynasty.java b/Mage.Sets/src/mage/sets/KamigawaNeonDynasty.java
index 6d6b85bcf5e..3e676c6c3d4 100644
--- a/Mage.Sets/src/mage/sets/KamigawaNeonDynasty.java
+++ b/Mage.Sets/src/mage/sets/KamigawaNeonDynasty.java
@@ -88,6 +88,7 @@ public final class KamigawaNeonDynasty extends ExpansionSet {
         cards.add(new SetCardInfo("Essence Capture", 52, Rarity.UNCOMMON, mage.cards.e.EssenceCapture.class));
         cards.add(new SetCardInfo("Experimental Synthesizer", 138, Rarity.COMMON, mage.cards.e.ExperimentalSynthesizer.class));
         cards.add(new SetCardInfo("Explosive Entry", 139, Rarity.COMMON, mage.cards.e.ExplosiveEntry.class));
+        cards.add(new SetCardInfo("Explosive Singularity", 140, Rarity.MYTHIC, mage.cards.e.ExplosiveSingularity.class));
         cards.add(new SetCardInfo("Fade into Antiquity", 182, Rarity.COMMON, mage.cards.f.FadeIntoAntiquity.class));
         cards.add(new SetCardInfo("Fang of Shigeki", 183, Rarity.COMMON, mage.cards.f.FangOfShigeki.class));
         cards.add(new SetCardInfo("Farewell", 13, Rarity.RARE, mage.cards.f.Farewell.class));