Rowelia, Witch of the Wilds

Menace, Vigilance
{3}{b}: Put a -1/-1 counter on Rowelia. Create
a 1/1 black Crow with flying and deathtouch.
At the beginning of each upkeep, you may pay
{1}{b}. If you do, pick Horse or Rider.
•Horse- Rowelia gets +2/+2 until end of turn.
•Rider- Rowelia gains deathtouch until end of
turn.