Anne Bonny & Mary Read

When Anne Bonny & Mary Read enter the battlefield, choose an additional creature subtype of Rider or Archer. If a Rider, Anne & Mary get +1/+0 and has trample. If an Archer, Anne & Mary get +0/+1 and has reach.
{2}: Switch Anne & Mary's creature subtype. Activate this ability only as sorcery.
"Now finish them off, Anne!" - Mary Read
"Okay! Take aim...and fire!" - Anne Bonny