Stardust Pillar

Stardust Pilar enters the battlefield with 5 shield counters on it. Whenever you cast a creature
spell, remove a shield counter from Stardust
Pillar. Then, if there are no shield counters on Stardust Pillar, sacrifice it.
{t}, Pay 2 life: Add one mana of any color or {c}{c}. If that mana is spent on a creature spell,
create a blue Star Cell creature token. It's power
and toughness are each equal to the mana value
of that spell.