By narrowing down an identity for each Commander deck, not only do you guide yourself toward more affordable, fun and personal card choices: you create new goals to chase in-game which align more closely to your idea of fun than the often-political question of overall victory
Selecting artifacts that complement your deck and address its specific needs will make your build shine
Tiamat Tiamat is a straightforward, powerful Dragon commander: when she enters, you search your library for up to five different Dragons and put them into your hand
I guess in theory you could run it in a deck that hasnt technologically advanced to the Industrial Revolution, but I doubt that the slight combat buff beats out pinging everyone else for their creatures, being able to blink your own creatures, or also gaining life when your stuff dies
3) Absorb White-blue went through a long period of doldrums, but Absorb shone as a bright spot in an otherwise dreary landscape