Evelynn is a bad champ, everyone nows it, she is squishy and does almost no dammages. So, i tryed a new concept (only works on dominion) which is to have some roles in the game. Evelynn can be invisible so she can go in the ennemy towers without be seen, so she can capture the towers quickly. She's gonna be the runner.

Greater mark of vitality : +0,54 life points per level ( 9,72 lvl 18 ).
Greater seal of vitality : +0,54 life points per level ( 9,72 lvl 18 ).
Greater glyph of vitality : +1,08 life points per level ( 19,44 lvl 18 ).
Greater quintessence of swiftness : 1,5% speed.

1/21/8 with speed and life max.

Take mobility boots
Force of nature
ghost dancer
frozen mallet
harbinger of randuin

This should be enough. I approximatly buy boots, force of nature and ghost dancer max.