{T}, exile target card from a graveyard: Put a soul counter on Gem of One Thousand Souls, then add one mana of any color.

{5}, {T}, remove X soul counters from Gem of One Thousand Souls and sacrifice it: Create a token that’s a copy of each creature card exiled with Gem of One Thousand Souls with mana value X or less except they have base power and toughness 1/1.