Bloodlust Elemental

Haste (This creature can attack and {t} as soon as it
comes under your control.)
Whenever Bloodlust Elemental attacks, if it has
no +1/+1 counters on it, put a +1/+1 counter on
it. It can't block as long it has a +1/+1 counter
on it.
{b}{r}, Remove a +1/+1 counter from Bloodlust
Elemental: It deals 2 damage to any target.