Druuslir Shadow Winder

Scuttle (This creature can't be blocked if the
player or planeswalker's owner it is attacking
controls a swamp)
{b}: Druuslir Shadow Winder gains reach
until end of turn
{b}{b}{b}: Druuslir Shadow Winder gains
flying until end of turn.
{b}{b}{b}{b}{b}: Druuslir Shadow Winder
gains double strike until end of turn.