Necromancy Campaign

When Unholy Campaign enters the battlefield,
return target creature from your graveyard to
your hand, then put the top 3 cards of your
library into your graveyard.
Whenever you cast a spell with undergrowth,
you may return Unholy Campaign to its
owner's hand.
"Unlike the the other guilds, we do not need to
convince our soldiers to join our ranks" -- Jarad