Fixed Black Dart being activatable when already attached to a companion (and also fixed it not preventing bearer from bearing more mounts).

gemp-lotr/gemp-lotr-cards/src/main/resources/cards/official/set08/set08-Ringwraith.hjson

@@ -119,10 +119,16 @@
 			{
 				type: activated
 				phase: archery
-				requires: {
+				requires: [
+					{
+						type: CanSpot
+						filter: self,Zone(SUPPORT)
+					}
+					{
 						type: canSpot
 						filter: your,or(enduring,mounted),nazgul
 					}
+				]
 				effect: [
 					{
 						type: transfer
@@ -144,6 +150,14 @@
 					filter: bearer
 				}
 			}
+			{
+				type: modifier
+				modifier: {
+					type: CantBear
+					filter: bearer
+					cardFilter: mount
+				}
+			}
 		]
 		gametext: <b>Archery:</b> Spot your enduring or mounted Nazgûl to transfer this condition from your support area to an unbound companion. Discard a mount borne by that companion.<br>Bearer cannot heal or bear mounts.
 		lore: ""