- Added Blinding Powder

- Unattach cost can use OriginalHost (preferred method for pumped activated abilities that require unattaching the card granting the ability)

.gitattributes

@@ -1008,6 +1008,7 @@ res/cardsfolder/b/blinding_angel.txt -text
 res/cardsfolder/b/blinding_beam.txt -text
 res/cardsfolder/b/blinding_light.txt svneol=native#text/plain
 res/cardsfolder/b/blinding_mage.txt svneol=native#text/plain
+res/cardsfolder/b/blinding_powder.txt -text
 res/cardsfolder/b/blinding_souleater.txt svneol=native#text/plain
 res/cardsfolder/b/blinking_spirit.txt svneol=native#text/plain
 res/cardsfolder/b/blinkmoth_infusion.txt svneol=native#text/plain

res/cardsfolder/b/blinding_powder.txt

@@ -0,0 +1,11 @@
+Name:Blinding Powder
+ManaCost:1
+Types:Artifact Equipment
+Text:no text
+S:Mode$ Continuous | Affected$ Creature.EquippedBy | AddAbility$ BlindEnemies | Description$ Equipped creature has "Unattach CARDNAME: Prevent all combat damage that would be dealt to this creature this turn."
+SVar:BlindEnemies:AB$ Pump | Cost$ Unattach<OriginalHost/Blinding Powder> | Defined$ Self | KW$ HIDDEN Prevent all combat damage that would be dealt to CARDNAME. | SpellDescription$ Prevent all combat damage that would be dealt to CARDNAME this turn.
+K:Equip 2
+SVar:Picture:http://www.wizards.com/global/images/magic/general/blinding_powder.jpg
+SetInfo:BOK|Uncommon|http://magiccards.info/scans/en/bok/153.jpg
+Oracle:Equipped creature has "Unattach Blinding Powder: Prevent all combat damage that would be dealt to this creature this turn."\nEquip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)
+End

res/cardsfolder/h/heartseeker.txt

@@ -3,8 +3,8 @@ ManaCost:4
 Types:Artifact Equipment
 Text:no text
 K:Equip 5
-S:Mode$ Continuous | Affected$ Creature.EquippedBy | AddPower$ 2 | AddToughness$ 1 | AddAbility$ SeekerDestroy | Description$ Equipped creature gets +2/+1 and has "{T}, Unattach Heartseeker: Destroy target creature."
+S:Mode$ Continuous | Affected$ Creature.EquippedBy | AddPower$ 2 | AddToughness$ 1 | AddAbility$ SeekerDestroy | Description$ Equipped creature gets +2/+1 and has "{T}, Unattach CARDNAME: Destroy target creature."
-SVar:SeekerDestroy:AB$ Destroy | Cost$ T Unattach<Card.Attached+namedHeartseeker/equipped Heartseeker> | ValidTgts$ Creature | SpellDescription$ Destroy target creature.
+SVar:SeekerDestroy:AB$ Destroy | Cost$ T Unattach<OriginalHost/Heartseeker> | ValidTgts$ Creature | SpellDescription$ Destroy target creature.
 SVar:Rarity:Rare
 SVar:Picture:http://www.wizards.com/global/images/magic/general/heartseeker.jpg
 SetInfo:DST|Rare|http://magiccards.info/scans/en/ds/124.jpg

src/main/java/forge/card/cost/CostUnattach.java

@@ -44,11 +44,9 @@ public class CostUnattach extends CostPartWithList {
     @Override
     public boolean isUndoable() { return false; }
 
-
     @Override
     public boolean isReusable() { return false; }
 
-    
     /*
      * (non-Javadoc)
      * 
@@ -73,6 +71,11 @@ public class CostUnattach extends CostPartWithList {
             if (source.isEquipping()) {
                 return true;
             }
+        } else if (type.equals("OriginalHost")) {
+            Card originalEquipment = ability.getOriginalHost();
+            if (originalEquipment.isEquipping()) {
+                return true;
+            }
         } else {
             List<Card> equipped = source.getEquippedBy();
             if (CardLists.getValidCards(equipped, type, activator, source).size() > 0) {
@@ -91,7 +94,7 @@ public class CostUnattach extends CostPartWithList {
      */
     @Override
     public final void payAI(final AIPlayer ai, final SpellAbility ability, final Card source, final CostPayment payment, final GameState game) {
-        Card cardToUnattach = findCardToUnattach(source, (Player)ai);
+        Card cardToUnattach = findCardToUnattach(source, (Player) ai, ability);
         if (cardToUnattach == null) {
             // We really shouldn't be able to get here if there's nothing to unattach
             return;
@@ -113,7 +116,7 @@ public class CostUnattach extends CostPartWithList {
     public final boolean payHuman(final SpellAbility ability, final Card source, final CostPayment payment, final GameState game) {
         this.resetList();
         Player activator = ability.getActivatingPlayer();
-        Card cardToUnattach = findCardToUnattach(source, activator);
+        Card cardToUnattach = findCardToUnattach(source, activator, ability);
         if (cardToUnattach != null && GuiDialog.confirm(source, String.format("Unattach %s?", cardToUnattach.toString()))) {
             Card equippingCard = cardToUnattach.getEquipping().get(0);
             cardToUnattach.unEquipCard(equippingCard);
@@ -128,11 +131,16 @@ public class CostUnattach extends CostPartWithList {
         return true;
     }
 
-    private Card findCardToUnattach(final Card source, Player activator) {
+    private Card findCardToUnattach(final Card source, Player activator, SpellAbility ability) {
         if (getType().equals("CARDNAME")) {
             if (source.isEquipping()) {
                 return source;
             }
+        } else if (getType().equals("OriginalHost")) {
+            Card originalEquipment = ability.getOriginalHost();
+            if (originalEquipment.isEquipping()) {
+                return originalEquipment;
+            }
         } else {
             List<Card> attachees = CardLists.getValidCards(source.getEquippedBy(), this.getType(), activator, source);
             if (attachees.size() > 0) {