
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.
Morska, Undersea Sleuth has 3 printings, first in Murders at Karlov Manor Commander (2024). EDHREC ranks it #9,034 among Commander cards. It appears most in Sophia, Dogged Detective decks (811 on EDHREC). 1 public deck on TCG runs it. It has 5 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.