Arwen, Nyela's Prodigy

{b}{g}{t}: Put a 3/3 green black Elf Warrior creature token with Reach and Deathtouch onto the battlefield.
{r}{g}{t}: Red and Green creatures you control gains haste, reach, or deathtouch until end of turn.
You may exert Arwen, Nylea's Prodigy as it attacks. When you do, it gets Deathtouch and +3/+3