Nayaguran Gigant

+4: put one -1/-1 counter on target creature you make a 1/1 wurm creature token with menace, you gain 1 life
-2: draw 2 cards make two 1/1 wurm creature tokens with menace you gain 2 life
-16: search your library for up to two wurm cards and put them onto the battlefield deal 10 demage to any target you gain 20 life