Ahl En, Masochist

Whenever you cast an instant or sorcery
spell, put a pain counter on Ahl En.
{t}: Add X {r} to your mana pool, where
X is the number of pain counters on Ahl
En. Ahl En deals X damage to himself.
Pay X life: Untap Ahl En.
At the end of turn, remove all pain
counters from Ahl En.