Aragogs Colony

Aragog costs {2} less to cast.
{t}{2}{b/g}{b/g}: Create a 1/1 green black Acromantula creature token with deathtouch. If you control
Aragog put two 1/1 green black Arcomantula
creature tokens with deathtouch onto the battlefield.
Why spiders. Why couldn't it be "follow the butterflies"