Undead Nightmare

Flying
Aberration (This creature is dealt combat damage in the form of -1/-1 counters. For each -1/-1 counter put
on it this way, create a 0/1 black Intestine token with shroud and "{p/b}, Sacrifice this creature: Remove a
-1/-1 counter from target creature you control.")
Sacrifice X Intestine tokens you control and pay
X life: Return target creature from target graveyard to the battlefield, under it`s owners control, with a converted mana cost of X or less.