Sequence, dead cards with no cards to pick up
If you have gone through the entire deck then your are supposed to shuffle the discard piles and start drawing from that deck.
taken from the rules:
When the draw deck becomes depleted during play, all discard piles are shuffled together to create a new draw deck.
It is found under the table talk season.
Link to the rules:https://boardgamegeek.com/filepage/191084/sequence-rules