Jakub, Genesis Widow

Reach
When Jakub, Genesis Widow attacks, you may sacrifice an Elephant creature, then it gets +3/+3
and trample until end of turn.
Whenever a Spider creature enters the battlefield,
you may pay {1}{g} search for an Elephant card
from your graveyard and/or library, reveal it, and
put that card into your hand. If you search your
library this way, shuffle it.