Chalice of the Cabal

Whenever you're dealt damage, put that many
charge counters on Chalice of the Cabal.
At the beginning of each upkeep, you may
remove a charge counter from Chalice of the
Cabal. If you do, you gain 1 life.
{3}, {t}, Remove twice X charge counters from it
and sacrifice it: Exile target nonland permanent
with mana value X.