Arachne, the Weaver

As Arachne enters the battlefield and after
your draw step, add a lore counter. Stop
after III.
I. Arachne gains "{t}: Create a Treasure
token."
III. Arachne loses all abilities and becomes
a green Spider with deathtouch and reach
with base power and toughness 1/2. (It loses
all other card types and creature types.)