Caspar, Bane of Arthropods

Prevent all damage dealt to this creature by Crabs, Lobsters, and Spiders.
At the beginning of your upkeep, if opponents control no Crabs, Lobsters, or Spiders, draw a card.
"They took everything from me. My mother. My father. My sister. The love of my life. And I will never forgive them for that."