Séance Board (DSC-067) - Duskmourn: House of Horror Commander: (Extended Art)

Morbid — At the beginning of each end step, if a creature died this turn, put a soul counter on Séance Board.
: Add X mana of any one color, where X is the number of soul counters on Séance Board. Spend this mana only to cast instant, sorcery, Demon, and Spirit spells.