World of Warcraft Shamans will be a useful characters if you make the most use of it. They are not generally regarded as a middle-tier class in terms of potency and usefulness, but it is worthy giving this class a try. However, if we need of the shamans ,we should need to remember to have a group, for the shamans can prove effective just in a group setting. Also, you need to combine the skills with other skills.
As for the race of the characters who can be shamans, only Dranei are allowed to be shamans when it comes to Alliance whereas on the Horde side, Trolls, Orcs, Tauren or the Undead can be shamans. The race has its weaker points, but it may prove beneficial in the long run. The player need to know how to effectively use his shaman points. You should to know the moments that you really need to expand the mana, or you will lose it whenever you cast a spell. So it is important for you to build range weapons.
You must pick you shaman profession with care ,such as Enchanting ,herbalism and Alchemy so you can try mixing alchemy with herbalism or enchanting with alchemy. Skinning and mining also can be useful, but not too much. You can make the most use of the object mined by the mining, but you will have to lose valuable time in the process.
Totems are, however, the most important element when it comes to World of Warcraft shamans. Mastering the potion-preparing skills is also an integral part of your profession as a shaman. Having the right skills will help you win money and acclaim.