* AI: fixed that computer can broke some non mana pays (Echo, Escalate, Recover, Tap source unless pay, Slow Motion, #8182);

Mage.Sets/src/mage/cards/g/GameTrail.java

@@ -1,4 +1,3 @@
-
 package mage.cards.g;
 
 import java.util.UUID;

Mage.Sets/src/mage/cards/s/SlowMotion.java

@@ -69,7 +69,7 @@ class SacrificeEquipedUnlessPaysEffect extends OneShotEffect {
 
     public SacrificeEquipedUnlessPaysEffect(final SacrificeEquipedUnlessPaysEffect effect) {
         super(effect);
-        this.cost = effect.cost;
+        this.cost = effect.cost.copy();
     }
 
     @Override

Mage.Tests/src/test/java/org/mage/test/cards/single/soi/GameTrailTest.java

@@ -0,0 +1,107 @@
+package org.mage.test.cards.single.soi;
+
+import mage.constants.PhaseStep;
+import mage.constants.Zone;
+import org.junit.Test;
+import org.mage.test.serverside.base.CardTestPlayerBase;
+
+/**
+ * @author JayDi85
+ */
+public class GameTrailTest extends CardTestPlayerBase {
+
+    @Test
+    public void test_Reveal() {
+        // As Game Trail enters the battlefield, you may reveal a Mountain or Forest card from your hand. If you don't, Game Trail enters the battlefield tapped.
+        // {T}: Add {R} or {G}.
+        addCard(Zone.HAND, playerA, "Game Trail", 1); // land
+        addCard(Zone.HAND, playerA, "Forest", 1);
+        addCard(Zone.HAND, playerA, "Mountain", 1);
+
+        // play with reveal
+        playLand(1, PhaseStep.PRECOMBAT_MAIN, playerA, "Game Trail");
+        setChoice(playerA, true); // reveal
+        setChoice(playerA, "Forest"); // reveal forest
+
+        setStrictChooseMode(true);
+        setStopAt(1, PhaseStep.END_TURN);
+        execute();
+        assertAllCommandsUsed();
+
+        assertTapped("Game Trail", false);
+    }
+
+    @Test
+    public void test_RevealWithoutCards() {
+        // As Game Trail enters the battlefield, you may reveal a Mountain or Forest card from your hand. If you don't, Game Trail enters the battlefield tapped.
+        // {T}: Add {R} or {G}.
+        addCard(Zone.HAND, playerA, "Game Trail", 1); // land
+        addCard(Zone.HAND, playerA, "Swamp", 1);
+
+        // play with reveal
+        playLand(1, PhaseStep.PRECOMBAT_MAIN, playerA, "Game Trail");
+        // no reveal choices
+
+        setStrictChooseMode(true);
+        setStopAt(1, PhaseStep.END_TURN);
+        execute();
+        assertAllCommandsUsed();
+
+        assertTapped("Game Trail", true);
+    }
+
+    @Test
+    public void test_NotReveal() {
+        // As Game Trail enters the battlefield, you may reveal a Mountain or Forest card from your hand. If you don't, Game Trail enters the battlefield tapped.
+        // {T}: Add {R} or {G}.
+        addCard(Zone.HAND, playerA, "Game Trail", 1); // land
+        addCard(Zone.HAND, playerA, "Forest", 1);
+        addCard(Zone.HAND, playerA, "Mountain", 1);
+
+        // play with reveal
+        playLand(1, PhaseStep.PRECOMBAT_MAIN, playerA, "Game Trail");
+        setChoice(playerA, false); // no reveal
+
+        setStrictChooseMode(true);
+        setStopAt(1, PhaseStep.END_TURN);
+        execute();
+        assertAllCommandsUsed();
+
+        assertTapped("Game Trail", true);
+    }
+
+    @Test
+    public void test_RevealAfterCultivate() {
+        removeAllCardsFromLibrary(playerA);
+
+        // As Game Trail enters the battlefield, you may reveal a Mountain or Forest card from your hand. If you don't, Game Trail enters the battlefield tapped.
+        // {T}: Add {R} or {G}.
+        addCard(Zone.HAND, playerA, "Game Trail", 1); // land
+        addCard(Zone.LIBRARY, playerA, "Forest", 1);
+        addCard(Zone.LIBRARY, playerA, "Island", 1);
+        addCard(Zone.LIBRARY, playerA, "Swamp", 1);
+        //
+        // Search your library for up to two basic land cards, reveal those cards, and put one onto the battlefield tapped
+        // and the other into your hand. Then shuffle your library.
+        addCard(Zone.HAND, playerA, "Cultivate", 1); // {2}{G}
+        addCard(Zone.BATTLEFIELD, playerA, "Forest", 3);
+
+        // put forest by cultivate
+        castSpell(1, PhaseStep.PRECOMBAT_MAIN, playerA, "Cultivate");
+        addTarget(playerA, "Forest^Swamp");
+        setChoice(playerA, "Swamp"); // put tapped
+        waitStackResolved(1, PhaseStep.PRECOMBAT_MAIN);
+
+        // play game trail
+        playLand(1, PhaseStep.PRECOMBAT_MAIN, playerA, "Game Trail");
+        setChoice(playerA, true); // reveal
+        setChoice(playerA, "Forest");
+
+        setStrictChooseMode(true);
+        setStopAt(1, PhaseStep.END_TURN);
+        execute();
+        assertAllCommandsUsed();
+
+        assertTapped("Game Trail", false);
+    }
+}

Mage/src/main/java/mage/abilities/effects/common/TapSourceUnlessPaysEffect.java

@@ -26,7 +26,7 @@ public class TapSourceUnlessPaysEffect extends OneShotEffect {
 
     public TapSourceUnlessPaysEffect(final TapSourceUnlessPaysEffect effect) {
         super(effect);
-        this.cost = effect.cost;
+        this.cost = effect.cost.copy();
     }
 
     @Override

Mage/src/main/java/mage/abilities/effects/keyword/EchoEffect.java

@@ -34,7 +34,7 @@ public class EchoEffect extends OneShotEffect {
 
     public EchoEffect(final EchoEffect effect) {
         super(effect);
-        this.cost = effect.cost;
+        this.cost = effect.cost == null ? null : effect.cost.copy();
         this.amount = effect.amount;
     }
 

Mage/src/main/java/mage/abilities/keyword/EscalateAbility.java

@@ -45,7 +45,7 @@ class EscalateEffect extends CostModificationEffectImpl {
 
     EscalateEffect(final EscalateEffect effect) {
         super(effect);
-        this.cost = effect.cost;
+        this.cost = effect.cost.copy();
     }
 
     @Override

Mage/src/main/java/mage/abilities/keyword/RecoverAbility.java

@@ -76,7 +76,7 @@ class RecoverEffect extends OneShotEffect {
 
     public RecoverEffect(final RecoverEffect effect) {
         super(effect);
-        this.cost = effect.cost;
+        this.cost = effect.cost.copy();
     }
 
     @Override