From f07c8239afaba464e735068c17c843ea051dffb1 Mon Sep 17 00:00:00 2001
From: theelk801 <theelk801@gmail.com>
Date: Sat, 29 Mar 2025 18:49:26 -0400
Subject: [PATCH] [TDM] Implement Riverwalk Technique

---
 .../src/mage/cards/r/RiverwalkTechnique.java  | 41 +++++++++++++++++++
 .../src/mage/sets/TarkirDragonstorm.java      |  1 +
 2 files changed, 42 insertions(+)
 create mode 100644 Mage.Sets/src/mage/cards/r/RiverwalkTechnique.java

diff --git a/Mage.Sets/src/mage/cards/r/RiverwalkTechnique.java b/Mage.Sets/src/mage/cards/r/RiverwalkTechnique.java
new file mode 100644
index 00000000000..a8547b88b2d
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/r/RiverwalkTechnique.java
@@ -0,0 +1,41 @@
+package mage.cards.r;
+
+import mage.abilities.Mode;
+import mage.abilities.effects.common.CounterTargetEffect;
+import mage.abilities.effects.common.PutOnTopOrBottomLibraryTargetEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.filter.StaticFilters;
+import mage.target.TargetSpell;
+import mage.target.common.TargetNonlandPermanent;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class RiverwalkTechnique extends CardImpl {
+
+    public RiverwalkTechnique(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{3}{U}");
+
+        // Choose one --
+        // * The owner of target nonland permanent puts it on their choice of the top or bottom of their library.
+        this.getSpellAbility().addEffect(new PutOnTopOrBottomLibraryTargetEffect(true));
+        this.getSpellAbility().addTarget(new TargetNonlandPermanent());
+
+        // * Counter target noncreature spell.
+        this.getSpellAbility().addMode(new Mode(new CounterTargetEffect())
+                .addTarget(new TargetSpell(StaticFilters.FILTER_SPELL_NON_CREATURE)));
+    }
+
+    private RiverwalkTechnique(final RiverwalkTechnique card) {
+        super(card);
+    }
+
+    @Override
+    public RiverwalkTechnique copy() {
+        return new RiverwalkTechnique(this);
+    }
+}
diff --git a/Mage.Sets/src/mage/sets/TarkirDragonstorm.java b/Mage.Sets/src/mage/sets/TarkirDragonstorm.java
index 64a3197a6b0..4b59d4b311b 100644
--- a/Mage.Sets/src/mage/sets/TarkirDragonstorm.java
+++ b/Mage.Sets/src/mage/sets/TarkirDragonstorm.java
@@ -143,6 +143,7 @@ public final class TarkirDragonstorm extends ExpansionSet {
         cards.add(new SetCardInfo("Rescue Leopard", 116, Rarity.COMMON, mage.cards.r.RescueLeopard.class));
         cards.add(new SetCardInfo("Revival of the Ancestors", 218, Rarity.RARE, mage.cards.r.RevivalOfTheAncestors.class));
         cards.add(new SetCardInfo("Ringing Strike Mastery", 53, Rarity.COMMON, mage.cards.r.RingingStrikeMastery.class));
+        cards.add(new SetCardInfo("Riverwalk Technique", 54, Rarity.COMMON, mage.cards.r.RiverwalkTechnique.class));
         cards.add(new SetCardInfo("Roamer's Routine", 154, Rarity.COMMON, mage.cards.r.RoamersRoutine.class));
         cards.add(new SetCardInfo("Roar of Endless Song", 220, Rarity.RARE, mage.cards.r.RoarOfEndlessSong.class));
         cards.add(new SetCardInfo("Roiling Dragonstorm", 55, Rarity.UNCOMMON, mage.cards.r.RoilingDragonstorm.class));