Remove monocolor blend masks from showcases (#137)

data/magic-kasu-eldrazi_750.mse-style/style

@@ -100,8 +100,10 @@ init script:
 	template :=			{ template_prefix[type]() + input + template_suffix[type] }
 	land_template :=	{ template_prefix[type]() + (if input == "a" then "c" else input) + template_suffix[type] }
 	
-	card_crown :=		{ color_background(type:"crown",		base_hybrid:card_hybrid) }
-	card_ptbox :=		{ color_background(type:"pt",			base_hybrid:card_hybrid) }
+	card_background :=	{ color_background(type:"card",			base_hybrid:card_hybrid,		hybrid_blend: "white",	artifact_blend: "white") }
+	card_crown :=		{ color_background(type:"crown",		base_hybrid:card_hybrid,		hybrid_blend: "white",	artifact_blend: "white") }
+	card_ptbox :=		{ color_background(type:"pt",			base_hybrid:card_hybrid,		hybrid_blend: "white",	artifact_blend: "white") }
+	module_identity :=	{ color_background(type:"identity",		base_hybrid:identity_hybrid,	hybrid_blend: "white",	artifact_blend: "white",	multicolor_blend: "white",	folder:template_prefix["identity"]())	}
 	
 	is_land_framed :=
 	{