Liriami, The Deep Glare

Whenever you cast an instant or sorcery spell, put a
deep counter on Liriami, The Deep Glare.
Non-creature spells you cast cost {1} more for each
deep counter on Liriami, The Deep Glare.

{2}: Draw X cards, where X is equal to the amount
of deep counters on Liriami, The Deep Glare.
Then you may sacrifice Liriami, The Deep Glare
and deal X damage to any target