Arachna, Spider Queen

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

Other spiders you control gain +1/+1.

Arachna, Spider Queen can block an additional four creatures each combat.

When Arachna, Spider Queen dies, create three 1/3 black
and green spider creature tokens with reach.