Yo i want your opionion on this miss fortune build i have been making

The core idea of this build is to fufill miss fortunes role as THE teamfight marksman by utilizing high amounts of ad and 100% crit chance. The runes for this setup i use 9x crit marks 9x flat health seals flat ad glyphs and 1x crit quint and 2x flat ad quints. Dorans blade>bf sword>bfsword>bfsword>t1boots>ie>greaves>essence reaver>ie>phantom dancer>LDR>potion of wrath with the natural talent and dragon buff bullet time will deal 5120 damage and 5880 damage against targets 500 health higher than her. With warlords bloodlust greaves and strut miss fortune has 2.20 attack speed, all this together will give her 356 ad 100% crit chance and 2.20 attack speed. miss fortunes q and passive also have very high ratios she can get away with stacking raw ad early. The pros of this build is you eat lighting and crap thunder, the cons is that you have very little sustain.

someone recommended Essence Reaver>Shiv>BT>Last Whisper Item>then a defensive or and IE with boots thrown in somewhere. but this gives much less r and aa damage and slightly more q and passive damage.