Teamfighting with an ADC is not that easy, one misstep or getting caught by the enemy assassin can mean your death, and losing the teamfight. In this particular case I'm playing Vayne which is one of the Marksman Champions that allows me to go a bit deeper into the enemy frontline. You should always remember to not hesitate using your flash to dodge skillshots you can't sidestep anymore, in this case I was able to turn the teamfight into my favor because Kayn used his Ultimate right at the beginning and Miss Fortune positioned poorly. You should always aim to abuse your enemy when they make a mistake. Also don't be afraid to fall back a bit when the teamfight starts, most of the time their team will focus you, that said you should not only be out of their grabs, but also out of the range of their flash + grab. Your mission is not to tank damage, neither to take out single targets like assassins do. Your role is to stay alive and deal constant damage.
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