diff --git a/Mage.Sets/src/mage/cards/s/SphinxOfUthuun.java b/Mage.Sets/src/mage/cards/s/SphinxOfUthuun.java
index d72f27be81..2cf17cfe44 100644
--- a/Mage.Sets/src/mage/cards/s/SphinxOfUthuun.java
+++ b/Mage.Sets/src/mage/cards/s/SphinxOfUthuun.java
@@ -23,7 +23,9 @@ import mage.constants.Zone;
 import mage.filter.FilterCard;
 import mage.game.Game;
 import mage.players.Player;
+import mage.target.Target;
 import mage.target.TargetCard;
+import mage.target.common.TargetOpponent;
 
 /**
  *
@@ -81,6 +83,13 @@ class SphinxOfUthuunEffect extends OneShotEffect {
         Set<UUID> opponents = game.getOpponents(source.getControllerId());
         if (!opponents.isEmpty()) {
             Player opponent = game.getPlayer(opponents.iterator().next());
+            if (opponents.size() > 1) {
+                Target targetOpponent = new TargetOpponent(true);
+                if (controller.chooseTarget(Outcome.Neutral, targetOpponent, source, game)) {
+                    opponent = game.getPlayer(targetOpponent.getFirstTarget());
+                    game.informPlayers(controller.getLogName() + " chose " + opponent.getLogName() + " to separate the revealed cards");
+                }
+            }
 
             TargetCard target = new TargetCard(0, cards.size(), Zone.LIBRARY, new FilterCard("cards to put in the first pile"));
             target.setRequired(false);
diff --git a/Mage.Sets/src/mage/cards/u/UneshCriosphinxSovereign.java b/Mage.Sets/src/mage/cards/u/UneshCriosphinxSovereign.java
index be82c99084..618c2ea19e 100644
--- a/Mage.Sets/src/mage/cards/u/UneshCriosphinxSovereign.java
+++ b/Mage.Sets/src/mage/cards/u/UneshCriosphinxSovereign.java
@@ -14,6 +14,7 @@ import mage.filter.FilterCard;
 import mage.filter.FilterPermanent;
 import mage.game.Game;
 import mage.players.Player;
+import mage.target.Target;
 import mage.target.TargetCard;
 import mage.target.common.TargetOpponent;