Changes spellbook description

Picks types from list

code/game/gamemodes/wizard/spellbook.dm

@@ -268,7 +268,7 @@
 
 /datum/spellbook_entry/item/staffdoor
 	name = "Staff of Door Creation"
-	desc = "A particular staff that can mold solid metal into ornate wooden doors. Useful for getting around in the absence of other transportation. Does not work on glass."
+	desc = "A particular staff that can mold solid metal into ornate doors. Useful for getting around in the absence of other transportation. Does not work on glass."
 	item_path = /obj/item/weapon/gun/magic/staff/door
 	log_name = "SD"
 	cost = 1
@@ -792,6 +792,7 @@
 		for(var/V in stored_swap.mind.special_verbs)
 			stored_swap.verbs -= V
 
+
 	var/mob/dead/observer/ghost = stored_swap.ghostize(0)
 
 	user.mind.transfer_to(stored_swap)
@@ -801,7 +802,8 @@
 			user.verbs += V
 
 	ghost.mind.transfer_to(user)
-	user.key = ghost.key
+	if(ghost.key)
+		user.key = ghost.key
 
 	if(user.mind.special_verbs.len)
 		for(var/V in user.mind.special_verbs)

code/modules/projectiles/projectile/magic.dm

@@ -91,6 +91,9 @@
 	damage = 0
 	damage_type = OXY
 	nodamage = 1
+	var/list/door_types = list(/obj/structure/mineral_door/wood,/obj/structure/mineral_door/iron,/obj/structure/mineral_door/silver,\
+		/obj/structure/mineral_door/gold,/obj/structure/mineral_door/uranium,/obj/structure/mineral_door/sandstone,/obj/structure/mineral_door/transparent/plasma,\
+		/obj/structure/mineral_door/transparent/diamond)
 
 /obj/item/projectile/magic/door/on_hit(atom/target)
 	. = ..()
@@ -101,7 +104,7 @@
 		CreateDoor(T)
 
 /obj/item/projectile/magic/door/proc/CreateDoor(turf/T)
-	var/door_type = pick(typesof(/obj/structure/mineral_door) - /obj/structure/mineral_door)
+	var/door_type = pick(door_types)
 	new door_type(T)
 	T.ChangeTurf(/turf/simulated/floor/plating)