Can you tell me the text of Port of Karfell?
user
Port of Karfell enters tapped.\n{T}: Add {U}.\n{3}{U}{B}{B}, {T}, Sacrifice Port of Karfell: Mill four cards, then return a creature card from your graveyard to the battlefield tapped. (To mill a card, put the top card of your library into your graveyard.)
assistant