diff --git a/Mage.Sets/src/mage/cards/s/ShatterAssumptions.java b/Mage.Sets/src/mage/cards/s/ShatterAssumptions.java
new file mode 100644
index 0000000000..bea5cab22d
--- /dev/null
+++ b/Mage.Sets/src/mage/cards/s/ShatterAssumptions.java
@@ -0,0 +1,99 @@
+package mage.cards.s;
+
+import mage.abilities.Ability;
+import mage.abilities.Mode;
+import mage.abilities.effects.OneShotEffect;
+import mage.cards.*;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.filter.FilterCard;
+import mage.filter.common.FilterNonlandCard;
+import mage.filter.predicate.mageobject.ColorlessPredicate;
+import mage.filter.predicate.mageobject.MulticoloredPredicate;
+import mage.game.Game;
+import mage.players.Player;
+import mage.target.common.TargetOpponent;
+
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class ShatterAssumptions extends CardImpl {
+
+    public ShatterAssumptions(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{1}{B}{B}");
+
+        // Choose one —
+        // • Target opponent reveals their hand and discards all colorless nonland cards.
+        this.getSpellAbility().addEffect(new ShatterAssumptionsEffect(true));
+        this.getSpellAbility().addTarget(new TargetOpponent());
+
+        // • Target opponent reveals their hand and discards all multicolored cards.
+        Mode mode = new Mode(new ShatterAssumptionsEffect(false));
+        mode.addTarget(new TargetOpponent());
+        this.getSpellAbility().addMode(mode);
+    }
+
+    private ShatterAssumptions(final ShatterAssumptions card) {
+        super(card);
+    }
+
+    @Override
+    public ShatterAssumptions copy() {
+        return new ShatterAssumptions(this);
+    }
+}
+
+class ShatterAssumptionsEffect extends OneShotEffect {
+
+    private static final FilterCard filter = new FilterNonlandCard("colorless nonland");
+    private static final FilterCard filter2 = new FilterCard("multicolored");
+
+    static {
+        filter.add(ColorlessPredicate.instance);
+        filter2.add(MulticoloredPredicate.instance);
+    }
+
+    private final boolean colorless;
+
+    ShatterAssumptionsEffect(boolean colorless) {
+        super(Outcome.Benefit);
+        this.colorless = colorless;
+        if (colorless) {
+            staticText = "Target opponent reveals their hand and discards all colorless nonland cards.";
+        } else {
+            staticText = "Target opponent reveals their hand and discards all multicolored cards.";
+        }
+    }
+
+    private ShatterAssumptionsEffect(final ShatterAssumptionsEffect effect) {
+        super(effect);
+        this.colorless = effect.colorless;
+    }
+
+    @Override
+    public ShatterAssumptionsEffect copy() {
+        return new ShatterAssumptionsEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getFirstTarget());
+        if (player == null) {
+            return false;
+        }
+        Cards cards = new CardsImpl(player.getHand());
+        player.revealCards(source, cards, game);
+        FilterCard f;
+        if (colorless) {
+            f = filter;
+        } else {
+            f = filter2;
+        }
+        for (Card card : cards.getCards(f, source.getSourceId(), source.getControllerId(), game)) {
+            player.discard(card, source, game);
+        }
+        return true;
+    }
+}
\ No newline at end of file
diff --git a/Mage.Sets/src/mage/sets/ModernHorizons.java b/Mage.Sets/src/mage/sets/ModernHorizons.java
index 394c2e4c10..ca643a27d3 100644
--- a/Mage.Sets/src/mage/sets/ModernHorizons.java
+++ b/Mage.Sets/src/mage/sets/ModernHorizons.java
@@ -189,6 +189,7 @@ public final class ModernHorizons extends ExpansionSet {
         cards.add(new SetCardInfo("Secluded Steppe", 245, Rarity.UNCOMMON, mage.cards.s.SecludedSteppe.class));
         cards.add(new SetCardInfo("Segovian Angel", 25, Rarity.COMMON, mage.cards.s.SegovianAngel.class));
         cards.add(new SetCardInfo("Serra the Benevolent", 26, Rarity.MYTHIC, mage.cards.s.SerraTheBenevolent.class));
+        cards.add(new SetCardInfo("Shatter Assumptions", 106, Rarity.UNCOMMON, mage.cards.s.ShatterAssumptions.class));
         cards.add(new SetCardInfo("Shelter", 28, Rarity.COMMON, mage.cards.s.Shelter.class));
         cards.add(new SetCardInfo("Shenanigans", 146, Rarity.COMMON, mage.cards.s.Shenanigans.class));
         cards.add(new SetCardInfo("Silent Clearing", 246, Rarity.RARE, mage.cards.s.SilentClearing.class));