An ancient tomb, or in other words, the Undead shop has good items always can help. The store is very often, or rather almost with 100% probability of building a brand against any race. Why do that? Well just look at the first item — a rod of necromancy. First game these two skeletons can as well help when killing neutral units and haras the enemy. After all, skeletons can be not only two, but four, and this will affect the result of a slight skirmish between the enemy and you.
Sworn the skull is not as useful as other items, but it can be applied. For example to use it during the battle with the enemy, to give additional health regen to your units. Or for the building of the ziggurats of the enemy, because of the structure of the Undead the cursed earth require, and this item does just that.
About the bottles of health and mana is not worth writing, so it is clear what they are for. You can quickly raise your health or mana to the hero in a critical situation.Well, scroll of return will always help return your army to the base or an extra base with the gold mine
The scope of the curse. Here it is the real artifact, one of the strongest realms in Warcraft 3 frozen throne. Undead always buys his hero this item is usually bought with the field of the Leach, so he put a curse on minus armor at a distance. Get a very strong focus on the enemy, who has no special stock armor, so more e this stock is reduced by 5% Damage increases greatly on this unit. Conclusion: always buy this item, it is worth the money.
Another feature of the shop of the Undead is that they can buy scrolls of healing. It is very convenient because no need to run across half the map to the Goblin shop, and there they still might not be.