Kidris the Tireless

Deathtouch, Double strike, trample
{b}: target player discards a card
{r}: deal 3 damage to target creature or player
{g}: target creature you control gets two +1/+1 counters
{b}{r}{g}: exile target permanent, you lose 2 life
"His endless rest has been many a soldiers downfall"
-Gideon Jura