For your Lancer, stick to stock. NGK brands are ok. No need for you to use platinum or iridium tipped plugs. baka magbago pa takbo ng makina mo, sayang lang ang pera.
Unless your car came with stock platinum or iridium plugs. In which case you need to get them. What I'm saying is stick to stock plugs, for normal driving, and you'll be fine.

But if you have a heavily modified engine, then that another story