Cave-dweller Widow

Deathtouch, Trample, Reach
When Cave-dweller Widow enters the battlefield or attacks, put a 2/2 Black Spider creature token with Deathtouch and Reach onto the battlefield.
Whenever Cave-dweller Widow attacks, it gets +2/+0 until end of turn.
Whenever Cave-dweller Widow blocks, it gets +0/+2 until end of turn.