Nightmare Heart

As an additional cost to play this land, exile a creature card from your hand facedown.
{t}: add {b}
-Whenever a noctis dies under your control add a Nightmare counter to this land. At the beginning of your end step, if you descended this turn, draw a card and place a Nightmare counter on this land.
{b}{b}{b}{t}: Cast the exiled card without paying it's mana cost. It enders with a +1+1 counter on it for each Nightmare counter, then remove all nightmare counters.
"Jack feels as though he can absorb