Master Roshi

Mentor, Ki 3
{3}, {t}: Put a +1/+1 counter on target creature
you control.
{t}, Remove a Ki counter from Master Roshi:
Deal 2 damage to any target.
{t}, Remove 3 Ki counters from Master Roshi
and deal 3 damage to it: Exile target creature an
opponent controls with power 4 or less.