Belaf, Sightless

Belaf, Sightless enters the battlefield with a
number of +1/+1 counters on it equal to the
amount of mana spent to cast it.
Remove a +1/+1 counter from Belaf: choose 1 —
• Draw a card and you lose 1 life.
• Discard a card and you gain 1 life.
When Belaf dies, prevent all damage that would
be dealt to you that turn.