thank you for your comments first of all. I do feel that having a good support would change the severity of having scout. also I did put BT (bloodthirster) toward the back but still having vampiric scepter right after tri-force.

Like most melee carries Ezreal is situation based. People could argue all day that tear should go before trinity or BT (Blood Thirster) should be after IE (Infinity Edge) etc. etc. In my honest opinion I feel that Blood Thirster should go closer to last and Infinity Edge should be done shortly after Trinity Force. I don't have much play time as Ezreal so i'm not entirely sure where his damage comes from so with that being said i'd say swap the Blood Thirster and the Infinity Edge to start. Next I would say use the "Meditation" mastery (under utilities) rather then the ward sight range seeing as your support should be buying wards for you, and Ezreal does need some mana regeneration.

plz give me advice if you have any but also plz try it before you start asking for me to change things. after all this is my personal opinion of what i think ez should build