Nightblade Mistress

Deathtouch
Prophecy(You may exile this card when you draw it. If you do, whenever a source causes you to lose 5 or more life, you may cast this card from exile without paying its mana cost.)
If Nightblade Mistress enters the battlefield from exile, Elfcall 2(Look at the top two cards of your library. You may reveal an elf creature card from among them and put it into your hand. Then put the rest on the bottom of your library in any order.)