Death´s Hourglass

Morbid — At the beginning of each end step, if a creature died this turn, put a soul counter on
Death´s Hourglass.

{t}: Add X mana of any one color, where X is the number of soul counters on Death´s Hourglass. Spend this mana only to cast instant, sorcery, Demon, and Spirit spells.

"OH NO, THE TIME HAS COME"