Aracnia, Alluring Witch

Menace, Deathtouch, Capture(When this creature
attacks, you may choose target creature an opponent
controls. If that creature is able to block, it blocks this creature.)
When Aracnia, Alluring Witch enters the battlefield create a 1/3 black green
Spider creature token with reach.
At the beginning of your precombat main phase,
if you control four or more creatures, you may
transform Aracnia, Alluring Witch
in Aracnia, Spiders Empress.