Is your [Death's Shadow](http://gatherer.wizards.com/Pages/Search/Default.aspx?name=%2b%5bDeath%27s%5d%2b%5bShadow%5d) a 16/16 if you are at minus 3 life and not dead due to something like a [Platinum Angel](http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=425817).