diff --git a/data/magic-m15-altered.mse-style/corners/triangle_down.png b/data/magic-m15-altered.mse-style/corners/triangle_down.png
new file mode 100644
index 000000000..ba1ed80c4
Binary files /dev/null and b/data/magic-m15-altered.mse-style/corners/triangle_down.png differ
diff --git a/data/magic-m15-altered.mse-style/corners/specialize.png b/data/magic-m15-altered.mse-style/corners/triangle_up.png
similarity index 100%
rename from data/magic-m15-altered.mse-style/corners/specialize.png
rename to data/magic-m15-altered.mse-style/corners/triangle_up.png
diff --git a/data/magic-m15-altered.mse-style/style b/data/magic-m15-altered.mse-style/style
index b0ff70e7e..5ee2b6574 100644
--- a/data/magic-m15-altered.mse-style/style
+++ b/data/magic-m15-altered.mse-style/style
@@ -1522,7 +1522,8 @@ extra card field:
 	choice: compass
 	choice: closed fan
 	choice: open fan
-	choice: specialize triangle
+	choice: triangle up
+	choice: triangle down
 	choice: specialize arrows
 	choice: artifact
 	choice: creature
@@ -1544,6 +1545,7 @@ extra card field:
 		choice: multicolor
 		choice: colorless
 	default: "lesson"
+	script: if value == "specialize triangle" then "triangle up" else value
 	save value: true
 	editable: true
 extra card field:
@@ -2034,7 +2036,8 @@ extra card style:
 			aetherprint: corners/aetherprint.png
 			closed fan: corners/closedfan.png
 			open fan: corners/openfan.png
-			specialize triangle: corners/specialize.png
+			triangle up: corners/triangle_up.png
+			triangle down: corners/triangle_down.png
 			specialize arrows: corners/specialized.png
 			sparker colors white: corners/wcorner.png
 			sparker colors blue: corners/ucorner.png
diff --git a/data/magic-m15-mainframe-dfc.mse-style/corners/triangle_down.png b/data/magic-m15-mainframe-dfc.mse-style/corners/triangle_down.png
new file mode 100644
index 000000000..ba1ed80c4
Binary files /dev/null and b/data/magic-m15-mainframe-dfc.mse-style/corners/triangle_down.png differ
diff --git a/data/magic-m15-mainframe-dfc.mse-style/corners/specialize.png b/data/magic-m15-mainframe-dfc.mse-style/corners/triangle_up.png
similarity index 100%
rename from data/magic-m15-mainframe-dfc.mse-style/corners/specialize.png
rename to data/magic-m15-mainframe-dfc.mse-style/corners/triangle_up.png
diff --git a/data/magic-m15-mainframe-dfc.mse-style/style b/data/magic-m15-mainframe-dfc.mse-style/style
index 4bcc45a1b..269d3af2b 100644
--- a/data/magic-m15-mainframe-dfc.mse-style/style
+++ b/data/magic-m15-mainframe-dfc.mse-style/style
@@ -2585,7 +2585,8 @@ extra card field:
 	choice: compass
 	choice: closed fan
 	choice: open fan
-	choice: specialize triangle
+	choice: triangle up
+	choice: triangle down
 	choice: specialize arrows
 	choice: artifact
 	choice: creature
@@ -2610,7 +2611,7 @@ extra card field:
 	choice: custom one
 	choice: custom two
 	default: "day"
-	script: if is_modal_dfc() then "modal" else if value == "modal" then "day" else value
+	script: if is_modal_dfc() then "modal" else if value == "modal" then "day" else if value == "specialize triangle" then "triangle up" else value
 	save value: true
 	editable: true
 extra card field:
@@ -2624,7 +2625,8 @@ extra card field:
 	choice: compass
 	choice: closed fan
 	choice: open fan
-	choice: specialize triangle
+	choice: triangle up
+	choice: triangle down
 	choice: specialize arrows
 	choice: artifact
 	choice: creature
@@ -2648,7 +2650,7 @@ extra card field:
 		choice: colorless
 	choice: custom one
 	choice: custom two
-	script: if is_modal_dfc() then "modal" else if value == "modal" then "night" else value
+	script: if is_modal_dfc() then "modal" else if value == "modal" then "night" else if value == "specialize triangle" then "triangle down" else value
 	default: "night"
 	save value: true
 	editable: true
@@ -3828,7 +3830,8 @@ extra card style:
 			aetherprint: corners/aetherprint.png
 			closed fan: corners/closedfan.png
 			open fan: corners/openfan.png
-			specialize triangle: corners/specialize.png
+			triangle up: corners/triangle_up.png
+			triangle down: corners/triangle_down.png
 			specialize arrows: corners/specialized.png
 			sparker colors white: corners/wcorner.png
 			sparker colors blue: corners/ucorner.png
@@ -3868,7 +3871,8 @@ extra card style:
 			aetherprint: corners/aetherprint.png
 			closed fan: corners/closedfan.png
 			open fan: corners/openfan.png
-			specialize triangle: corners/specialize.png
+			triangle up: corners/triangle_up.png
+			triangle down: corners/triangle_down.png
 			specialize arrows: corners/specialized.png
 			sparker colors white: corners/wcorner.png
 			sparker colors blue: corners/ucorner.png