Rath

Haste, First Strike.
Rath attacks each combat if able.
whenever Rath attacks you may pay {2}{r}
choose a creature defending player controls,
you may have that creature block Rath, if you
do not Rath gains +1/+0 until end of turn.
{r}{r}{r}{ut}: there is an additional combat after
the first, you may only do so once per turn.