Sword of Dragon Slaying (Magic Sword)

Determine what type of dragon this sword is primarily meant to be used against (it is +2 against all other types), and when it hits such a dragon it does 4d10 points of damage. Roll 2d12 on the table below.
Roll	Dragon Type
2 	Amethyst
3 	Black
4 	Blue
5 	Brass
6 	Bronze
7 	Brown
8 	Cloud
9 	Copper
10 	Crystal
11 	Deep
12 	Emerald
13 	Gold
14 	Green
15 	Mercury
16 	Mist
17 	Red
18 	Sapphire
19 	Shadow
20 	Silver
21 	Steel
22 	Topaz
23 	White
24 	Yellow
Category:Encyclopedia Magica Magic Items
Category:Magic Items
Category:Magic Swords
Category:Magic Weapons