Marrow, First Necromancer

Haste, Lifelink, Reach
Clysmal shard - Whenever you cast a Skeleton, Vampire, or Zombie spell, if Marrow is on
the battlefield or in the command zone, create
a 1/1 black skeleton creature token with lifelink
Ascend - Whenever you gain life, add a +1/+1
counter to Marrow, First Necromancer
{t}{b}{r/g} Undead Curse - when target creature is destroyed, create an X/X black skeleton creature
token, where X is the target creatures converted
mana cost