From a223486497c6e96ca5b8244000574afacb20f367 Mon Sep 17 00:00:00 2001
From: theelk801 <theelk801@gmail.com>
Date: Sun, 9 Apr 2023 15:16:28 -0400
Subject: [PATCH] [MOM] Implement Stasis Field

---
 Mage.Sets/src/mage/cards/s/StasisField.java   | 85 +++++++++++++++++++
 .../src/mage/sets/MarchOfTheMachine.java      |  1 +
 2 files changed, 86 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/s/StasisField.java

diff --git a/Mage.Sets/src/mage/cards/s/StasisField.java b/Mage.Sets/src/mage/cards/s/StasisField.java
new file mode 100644
index 0000000000..2b15b6c951
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/s/StasisField.java
@@ -0,0 +1,85 @@
+package mage.cards.s;
+
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.ContinuousEffectImpl;
+import mage.abilities.effects.common.AttachEffect;
+import mage.abilities.effects.common.continuous.SetBasePowerToughnessEnchantedEffect;
+import mage.abilities.keyword.DefenderAbility;
+import mage.abilities.keyword.EnchantAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.target.TargetPermanent;
+import mage.target.common.TargetCreaturePermanent;
+
+import java.util.Objects;
+import java.util.Optional;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class StasisField extends CardImpl {
+
+    public StasisField(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{1}{U}");
+
+        this.subtype.add(SubType.AURA);
+
+        // Enchant creature
+        TargetPermanent auraTarget = new TargetCreaturePermanent();
+        this.getSpellAbility().addTarget(auraTarget);
+        this.getSpellAbility().addEffect(new AttachEffect(Outcome.BoostCreature));
+        this.addAbility(new EnchantAbility(auraTarget));
+
+        // Enchanted creature has base power and toughness 0/2, has defender, and loses all other abilities.
+        Ability ability = new SimpleStaticAbility(new SetBasePowerToughnessEnchantedEffect(0, 2));
+        ability.addEffect(new StasisFieldEffect());
+        this.addAbility(ability);
+    }
+
+    private StasisField(final StasisField card) {
+        super(card);
+    }
+
+    @Override
+    public StasisField copy() {
+        return new StasisField(this);
+    }
+}
+
+class StasisFieldEffect extends ContinuousEffectImpl {
+
+    StasisFieldEffect() {
+        super(Duration.WhileOnBattlefield, Layer.AbilityAddingRemovingEffects_6, SubLayer.NA, Outcome.Benefit);
+        staticText = ", has defender, and loses all other abilities";
+    }
+
+    private StasisFieldEffect(final StasisFieldEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public StasisFieldEffect copy() {
+        return new StasisFieldEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Permanent permanent = Optional
+                .ofNullable(source.getSourcePermanentIfItStillExists(game))
+                .filter(Objects::nonNull)
+                .map(Permanent::getAttachedTo)
+                .map(game::getPermanent)
+                .orElse(null);
+        if (permanent == null) {
+            return false;
+        }
+        permanent.removeAllAbilities(source.getSourceId(), game);
+        permanent.addAbility(DefenderAbility.getInstance(), source.getSourceId(), game);
+        return true;
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/MarchOfTheMachine.java b/Mage.Sets/src/mage/sets/MarchOfTheMachine.java
index ced44afb7f..c520e08e72 100644
--- a/Mage.Sets/src/mage/sets/MarchOfTheMachine.java
+++ b/Mage.Sets/src/mage/sets/MarchOfTheMachine.java
@@ -206,6 +206,7 @@ public final class MarchOfTheMachine extends ExpansionSet {
         cards.add(new SetCardInfo("Skittering Surveyor", 264, Rarity.COMMON, mage.cards.s.SkitteringSurveyor.class));
         cards.add(new SetCardInfo("Skyclave Aerialist", 78, Rarity.UNCOMMON, mage.cards.s.SkyclaveAerialist.class));
         cards.add(new SetCardInfo("Skyclave Invader", 78, Rarity.UNCOMMON, mage.cards.s.SkyclaveInvader.class));
+        cards.add(new SetCardInfo("Stasis Field", 79, Rarity.COMMON, mage.cards.s.StasisField.class));
         cards.add(new SetCardInfo("Stoke the Flames", 166, Rarity.UNCOMMON, mage.cards.s.StokeTheFlames.class));
         cards.add(new SetCardInfo("Storm the Seedcore", 206, Rarity.UNCOMMON, mage.cards.s.StormTheSeedcore.class));
         cards.add(new SetCardInfo("Stormclaw Rager", 254, Rarity.UNCOMMON, mage.cards.s.StormclawRager.class));