To actively mill your opponent, youll need to catch them with Didnt Say Please, stick an early Eye Collector (probably the most important enabler), or suffer playing Merfolk Secretkeeper (a combination of very two underwhelming cards, Tome Scour and Kraken Hatchling)
WhispersSorcery - AdventureYou draw a card and you lose 1 life
But at only 2 lore, considering you are usually investing 6 ink into him, he's not advancing your win condition quite as much as one would hope
But, since youre building a deck thats just for fun, you can go ahead and pick whatever creature type you want anyways
For example, if you sacrifice Carrot Cake in order to forage, you'll still create a Rabbit token and scry 1
1 Accursed Marauder