Midoch, the Starved

Whenever you cast a spell, put a charge counter
on Midoch, the Starved.
Spells you cast cost {1} more to cast for each charge counter on Midoch, the Starved.
At the beginning of your end step, Midoch, the Starved deals X damage to each opponent where
X is the number of charge counters on Midoch, the Starved.