Nex, Moonlit Stalker

Skulk
Whenever you cast a noncreature spell, reveal the
top two cards of your library, put all creature
cards revealed this way into your graveyard.
Nex, Moonlit Stalker gets +1/+1 for each
creature cards in your graveyard.
Extort (Whenever you cast a spell, you may pay {w/b}. If you do, each opponent loses 1 life and you gain
that much life.)