looking for any dramas with cool cunning intelligent strategist male lead it would be awesome if hes immortal and handsome 

Six Flying Dragons

 Nadia-RuNi:
The Rise of Phoenixes 

+1

Cruel City (anti hero type, very cool charismatic, great drama)

Memories of the Alhambra 

Lucifer (almost villain, he implements masterpease revenge plan)

Hello Monster 

A Man's Story (almost villain, everyone against him but  always winner)

doctor prisoner and love me if you dare

  • Death Note
  • Liar Game
  • Kurosagi
  • Lookout
  • Mad Dog
  • 38 Task Force

1. Mokhtarnameh- the persian drama -that`s full of political & also military strategies by smart & shrewd historical characters. the drama is riched by much of intellectual & charismatic dialogues. 

even u can get a good and short brief of roots of different beliefs in middle-east.

2. Nirvana in fire -brilliant strategist ...

3. Empire of gold- rivaly among some business warlords! (nostalgic dialogues)

some others (but not as good as above):

six flying dragons, rise of phoenixes, white vengeance (movie), queen seon duk, death note & ...