Maniacal Bloodmage

Haste, first strike
When Maniacal Bloodmage deals combat
damage to a player, you may have up to one
target creature gets -3/-3 until end of turn. Then
put a +1/+1 counter on Maniacal Bloodmage.
When Maniacal Bloodmage dies, you lose life
equal to the number of +1/+1 counters on it.