Irrlicht Engine

I plan to draw a isometric style terrain, with 2d commands (drawrect...)

but, i want add lights and effects to terrain

Can i do it with 2d drawing ??

no, you might want to look at the orthogonal camera and use a 3d mesh instead though:
http://irrforge.org/index.php/Orthogonal_Tutorial

thanks for the link

but..

Woah !!!!

it's hard !!