Your brash and (for lack of a better term) expendable crew of pirates wants to get into scuffles with your opponent, while constantly sailing from location to location to gain various benefits
You could also definitely consider adding more Lambholt Pacifists
Thanks to manga rares, event exclusives, serialized cards, and autographed editions, Luffy consistently ranks among the most expensive cards in the game
Staying alive for the first few turns is the name of the game with Mill, because once you are able to start casting Fractured Sanity and Tashas Hideous Laughter, you wont have to take many chunks out of the opponents library to end the game
Cards referencing pairs or groups of creature types have appeared in Magic periodically dating all the way back to Magics first expansion Arabian Nights
But which type it counts as can be changed if a new creature with one of the types enters the battlefield