diff --git a/.gitattributes b/.gitattributes
index aa3804d7d21..f475a66b964 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -6175,6 +6175,7 @@ res/cardsfolder/p/pestilence_rats.txt svneol=native#text/plain
 res/cardsfolder/p/pestilent_kathari.txt svneol=native#text/plain
 res/cardsfolder/p/pestilent_souleater.txt svneol=native#text/plain
 res/cardsfolder/p/petalmane_baku.txt -text
+res/cardsfolder/p/petra_sphinx.txt -text
 res/cardsfolder/p/petradon.txt svneol=native#text/plain
 res/cardsfolder/p/petrahydrox.txt svneol=native#text/plain
 res/cardsfolder/p/petravark.txt svneol=native#text/plain
diff --git a/res/cardsfolder/d/dead_reckoning.txt b/res/cardsfolder/d/dead_reckoning.txt
index 097dbf0051a..043f25ab907 100644
--- a/res/cardsfolder/d/dead_reckoning.txt
+++ b/res/cardsfolder/d/dead_reckoning.txt
@@ -7,6 +7,9 @@ SVar:DBDamage:DB$ DealDamage | NumDmg$ X | ValidTgts$ Creature | TgtPrompt$ Sele
 SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
 SVar:X:Remembered$CardPower
 SVar:Y:Remembered$Amount
+SVar:RemAIDeck:True
 SVar:Rarity:Common
 SVar:Picture:http://www.wizards.com/global/images/magic/general/dead_reckoning.jpg
+SetInfo:WWK|Common|http://magiccards.info/scans/en/wwk/56.jpg
+Oracle:You may put target creature card from your graveyard on top of your library. If you do, Dead Reckoning deals damage equal to that card's power to target creature.
 End
\ No newline at end of file
diff --git a/res/cardsfolder/p/petra_sphinx.txt b/res/cardsfolder/p/petra_sphinx.txt
new file mode 100644
index 00000000000..c29e910736c
--- /dev/null
+++ b/res/cardsfolder/p/petra_sphinx.txt
@@ -0,0 +1,13 @@
+Name:Petra Sphinx
+ManaCost:2 W W W
+Types:Creature Sphinx
+Text:no text
+PT:3/4
+A:AB$ NameCard | Cost$ T | ValidTgts$ Player | TgtPrompt$ Select target player | SubAbility$ DBDig | AILogic$ MostProminentInComputerDeck | SpellDescription$ Target player names a card, then reveals the top card of his or her library. If that card is the named card, that player puts it into his or her hand. If it isn't, the player puts it into his or her graveyard.
+SVar:DBDig:DB$ Dig | DigNum$ 1 | Defined$ Targeted | ChangeNum$ All | ChangeValid$ Card.NamedCard | DestinationZone2$ Graveyard | Reveal$ True
+SVar:Rarity:Rare
+SVar:Picture:http://www.wizards.com/global/images/magic/general/petra_sphinx.jpg
+SetInfo:CHR|Rare|http://magiccards.info/scans/en/ch/66.jpg
+SetInfo:LEG|Rare|http://magiccards.info/scans/en/lg/199.jpg
+Oracle:{T}: Target player names a card, then reveals the top card of his or her library. If that card is the named card, that player puts it into his or her hand. If it isn't, the player puts it into his or her graveyard.
+End
\ No newline at end of file
diff --git a/src/main/java/forge/card/abilityfactory/AbilityFactoryChoose.java b/src/main/java/forge/card/abilityfactory/AbilityFactoryChoose.java
index 4ba5b972acb..a8eda8c666a 100644
--- a/src/main/java/forge/card/abilityfactory/AbilityFactoryChoose.java
+++ b/src/main/java/forge/card/abilityfactory/AbilityFactoryChoose.java
@@ -1359,7 +1359,26 @@ public final class AbilityFactoryChoose {
      * @return a boolean.
      */
     private static boolean nameCardCanPlayAI(final AbilityFactory af, final SpellAbility sa) {
-        return AbilityFactoryChoose.choosePlayerTriggerAI(af, sa, false);
+        final HashMap<String, String> params = af.getMapParams();
+
+        if (params.containsKey("AILogic")) {
+            // Don't tap creatures that may be able to block
+            if (AbilityFactory.waitForBlocking(sa)) {
+                return false;
+            }
+
+            final Target tgt = sa.getTarget();
+            if (tgt != null) {
+                tgt.resetTargets();
+                if (tgt.canOnlyTgtOpponent()) {
+                    tgt.addTarget(AllZone.getHumanPlayer());
+                } else {
+                    tgt.addTarget(AllZone.getComputerPlayer());
+                }
+            }
+            return true;
+        }
+        return false;
     }
 
     /**