Morska, Undersea Sleuth (Extended Art) (MKC-317) [Murders at Karlov Manor Commander]

You have no maximum hand size.
At the beginning of your upkeep, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")
Whenever you draw your second card each turn, put two +1/+1 counters on Morska.