Discipline Undying Leadership

Destroy a non-black non-artifact creature.
Adamant-If at least three black mana was spent to
cast this spell, instead destroy a non-black non-artifact creature for each time you have cast a commander this game.
Adamant Furry-If you have paid Adamant, then
you may pay an additional {x} black mana. If you
do then return {x} target creatures from your graveyard to the battlefield, under your control.