diff --git a/forge-game/src/main/java/forge/game/card/Card.java b/forge-game/src/main/java/forge/game/card/Card.java
index 33e71414dfc..2a95d4c4b6d 100644
--- a/forge-game/src/main/java/forge/game/card/Card.java
+++ b/forge-game/src/main/java/forge/game/card/Card.java
@@ -3987,7 +3987,7 @@ public class Card extends GameEntity implements Comparable<Card> {
     // Takes one argument like Permanent.Blue+withFlying
     @Override
     public final boolean isValid(final String restriction, final Player sourceController, final Card source, SpellAbility spellAbility) {
-        if (isImmutable() && !source.isRemembered(this) &&
+        if (isImmutable() && source != null && !source.isRemembered(this) &&
                 !(restriction.startsWith("Emblem") || restriction.startsWith("Effect"))) { // special case exclusion
             return false;
         }
diff --git a/forge-game/src/main/java/forge/game/player/Player.java b/forge-game/src/main/java/forge/game/player/Player.java
index e35747ccf55..591515e3be8 100644
--- a/forge-game/src/main/java/forge/game/player/Player.java
+++ b/forge-game/src/main/java/forge/game/player/Player.java
@@ -1159,9 +1159,33 @@ public class Player extends GameEntity implements Comparable<Player> {
 
     @Override
     public final boolean canBeTargetedBy(final SpellAbility sa) {
-        if (hasKeyword("Shroud") || (!equals(sa.getActivatingPlayer()) && hasKeyword("Hexproof"))
-                || hasProtectionFrom(sa.getHostCard())
-                || (hasKeyword("You can't be the targets of spells or activated abilities") && (sa.isSpell() || (sa instanceof AbilityActivated)))) {
+        if (hasKeyword("Shroud")) {
+            return false;
+        }
+        if (hasKeyword("Hexproof")) {
+            final Player a = sa.getActivatingPlayer();
+            if (isOpponentOf(a)) {
+                boolean cancelHexproof = false;
+                for (String k : a.getKeywords()) {
+                    if (k.startsWith("IgnoreHexproof")) {
+                        String m[] = k.split(":");
+                        if (isValid(m[1].split(","), a, sa.getHostCard(), sa)) {
+                            cancelHexproof = true;
+                            break;
+                        }
+                    }
+                }
+                if (!cancelHexproof) {
+                    return false;
+                }
+            }
+        }
+
+        if (hasProtectionFrom(sa.getHostCard())) {
+            return false;
+        }
+
+        if ((hasKeyword("You can't be the targets of spells or activated abilities") && (sa.isSpell() || (sa instanceof AbilityActivated)))) {
             return false;
         }
         return true;
diff --git a/forge-game/src/main/java/forge/game/staticability/StaticAbilityCantTarget.java b/forge-game/src/main/java/forge/game/staticability/StaticAbilityCantTarget.java
index 87ddef0f313..9f6be5cb168 100644
--- a/forge-game/src/main/java/forge/game/staticability/StaticAbilityCantTarget.java
+++ b/forge-game/src/main/java/forge/game/staticability/StaticAbilityCantTarget.java
@@ -89,8 +89,13 @@ public class StaticAbilityCantTarget {
         }
 
         if (params.containsKey("Hexproof") && (activator != null)) {
-            if (activator.hasKeyword("Spells and abilities you control can target hexproof creatures")) {
-                return false;
+            for (String k : activator.getKeywords()) {
+                if (k.startsWith("IgnoreHexproof")) {
+                    String m[] = k.split(":");
+                    if (card.isValid(m[1].split(","), activator, source, spellAbility)) {
+                        return false;
+                    }
+                }
             }
         }
 
diff --git a/forge-gui/res/cardsfolder/g/glaring_spotlight.txt b/forge-gui/res/cardsfolder/g/glaring_spotlight.txt
index 4d96918ae66..a45d751b09e 100644
--- a/forge-gui/res/cardsfolder/g/glaring_spotlight.txt
+++ b/forge-gui/res/cardsfolder/g/glaring_spotlight.txt
@@ -1,7 +1,7 @@
 Name:Glaring Spotlight
 ManaCost:1
 Types:Artifact
-S:Mode$ Continuous | Affected$ You | AddKeyword$ Spells and abilities you control can target hexproof creatures | Description$ Creatures your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof.
+S:Mode$ Continuous | Affected$ You | AddKeyword$ IgnoreHexproof:Creature.OppCtrl | Description$ Creatures your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof.
 A:AB$ PumpAll | Cost$ 3 Sac<1/CARDNAME> | ValidCards$ Creature.YouCtrl | KW$ Hexproof | SubAbility$ GSEffect | SpellDescription$ Creatures you control gain hexproof until end of turn and can't be blocked this turn.
 SVar:GSEffect:DB$ Effect | Name$ Glaring Spotlight Effect | StaticAbilities$ KWPump
 SVar:KWPump:Mode$ Continuous | EffectZone$ Command | AffectedZone$ Battlefield | Affected$ Creature.YouCtrl | AddHiddenKeyword$ Unblockable | Description$ Creatures you control can't be blocked this turn.
diff --git a/forge-gui/res/cardsfolder/upcoming/detection_tower.txt b/forge-gui/res/cardsfolder/upcoming/detection_tower.txt
new file mode 100644
index 00000000000..6be754bdf1b
--- /dev/null
+++ b/forge-gui/res/cardsfolder/upcoming/detection_tower.txt
@@ -0,0 +1,9 @@
+Name:Detection Tower
+ManaCost:no cost
+Types:Land
+A:AB$ Mana | Cost$ T | Produced$ C | SpellDescription$ Add {C}.
+A:AB$ Effect | Cost$ 1 T | StaticAbilities$ STLoseAB | SpellDescription$ Until end of turn, your opponents and creatures your opponents control with hexproof can be the targets of spells and abilities you control as though they didn’t have hexproof.
+SVar:STLoseAB:Mode$ Continuous | EffectZone$ Command | Affected$ You | AddKeyword$ IgnoreHexproof:Opponent,Creature.OppCtrl | Description$ Your opponents and creatures your opponents control with hexproof can be the targets of spells and abilities you control as though they didn’t have hexproof.
+SVar:RemAIDeck:True
+SVar:Picture:http://www.wizards.com/global/images/magic/general/detection_tower.jpg
+Oracle:{T}: Add {C}.\n{1}, {T}: Until end of turn, your opponents and creatures your opponents control with hexproof can be the targets of spells and abilities you control as though they didn’t have hexproof.