From 4cf9568953fc6e08cd947970580d66c3b581d323 Mon Sep 17 00:00:00 2001
From: theelk801 <theelk801@gmail.com>
Date: Fri, 9 Jan 2026 21:19:37 -0500
Subject: [PATCH] [ECL] Implement Prismatic Undercurrents

---
 .../mage/cards/p/PrismaticUndercurrents.java  | 88 +++++++++++++++++++
 Mage.Sets/src/mage/sets/LorwynEclipsed.java   |  1 +
 2 files changed, 89 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/p/PrismaticUndercurrents.java

diff --git a/Mage.Sets/src/mage/cards/p/PrismaticUndercurrents.java b/Mage.Sets/src/mage/cards/p/PrismaticUndercurrents.java
new file mode 100644
index 00000000000..60a3523045e
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/p/PrismaticUndercurrents.java
@@ -0,0 +1,88 @@
+package mage.cards.p;
+
+import mage.abilities.Ability;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.dynamicvalue.common.ColorsAmongControlledPermanentsCount;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.continuous.PlayAdditionalLandsControllerEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.cards.Cards;
+import mage.cards.CardsImpl;
+import mage.constants.*;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.players.Player;
+import mage.target.common.TargetCardInLibrary;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class PrismaticUndercurrents extends CardImpl {
+
+    public PrismaticUndercurrents(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{3}{G}");
+
+        // Vivid -- When this enchantment enters, search your library for up to X basic land cards, where X is the number of colors among permanents you control. Reveal those cards, put them into your hand, then shuffle.
+        this.addAbility(new EntersBattlefieldTriggeredAbility(new PrismaticUndercurrentsEffect())
+                .setAbilityWord(AbilityWord.VIVID)
+                .addHint(ColorsAmongControlledPermanentsCount.ALL_PERMANENTS.getHint()));
+
+        // You may play an additional land on each of your turns.
+        this.addAbility(new SimpleStaticAbility(
+                new PlayAdditionalLandsControllerEffect(1, Duration.WhileOnBattlefield)
+        ));
+    }
+
+    private PrismaticUndercurrents(final PrismaticUndercurrents card) {
+        super(card);
+    }
+
+    @Override
+    public PrismaticUndercurrents copy() {
+        return new PrismaticUndercurrents(this);
+    }
+}
+
+class PrismaticUndercurrentsEffect extends OneShotEffect {
+
+    PrismaticUndercurrentsEffect() {
+        super(Outcome.Benefit);
+        staticText = "search your library for up to X basic land cards, where X is the number of colors " +
+                "among permanents you control. Reveal those cards, put them into your hand, then shuffle";
+    }
+
+    private PrismaticUndercurrentsEffect(final PrismaticUndercurrentsEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public PrismaticUndercurrentsEffect copy() {
+        return new PrismaticUndercurrentsEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+        if (player == null) {
+            return false;
+        }
+        TargetCardInLibrary target = new TargetCardInLibrary(
+                0,
+                ColorsAmongControlledPermanentsCount
+                        .ALL_PERMANENTS
+                        .calculate(game, source, this),
+                StaticFilters.FILTER_CARD_BASIC_LANDS
+        );
+        player.searchLibrary(target, source, game);
+        Cards cards = new CardsImpl(target.getTargets());
+        cards.retainZone(Zone.LIBRARY, game);
+        player.revealCards(source, cards, game);
+        player.moveCards(cards, Zone.HAND, source, game);
+        player.shuffleLibrary(source, game);
+        return true;
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/LorwynEclipsed.java b/Mage.Sets/src/mage/sets/LorwynEclipsed.java
index 8dce90bd03c..9b27e999686 100644
--- a/Mage.Sets/src/mage/sets/LorwynEclipsed.java
+++ b/Mage.Sets/src/mage/sets/LorwynEclipsed.java
@@ -231,6 +231,7 @@ public final class LorwynEclipsed extends ExpansionSet {
         cards.add(new SetCardInfo("Plains", 274, Rarity.LAND, mage.cards.basiclands.Plains.class, FULL_ART_BFZ_VARIOUS));
         cards.add(new SetCardInfo("Plains", 279, Rarity.LAND, mage.cards.basiclands.Plains.class, FULL_ART_BFZ_VARIOUS));
         cards.add(new SetCardInfo("Prideful Feastling", 238, Rarity.COMMON, mage.cards.p.PridefulFeastling.class));
+        cards.add(new SetCardInfo("Prismatic Undercurrents", 189, Rarity.UNCOMMON, mage.cards.p.PrismaticUndercurrents.class));
         cards.add(new SetCardInfo("Protective Response", 29, Rarity.UNCOMMON, mage.cards.p.ProtectiveResponse.class));
         cards.add(new SetCardInfo("Puca's Eye", 259, Rarity.UNCOMMON, mage.cards.p.PucasEye.class));
         cards.add(new SetCardInfo("Reckless Ransacking", 152, Rarity.COMMON, mage.cards.r.RecklessRansacking.class));