If you think about spending $1K on a Commander deck to get all the cards from TCGplayer or $10K or more on a Cube, that can be prohibitively expensive
And, of those four precons, the best one by far was Necron Dynasties , a mono-black precon headed by Szarekh, the Silent KingSzarekh, the Silent King
Borderless copies of this card are being listed for $2000, and a copy has even sold at that price
Since you can activate these abilities in the middle of combat or during their turn, your opponent may hesitate to commit fully to certain actions, unsure of how you might respond
Whirler Virtuoso is a card that I would love to play in the Mono-Blue version, but there are obvious restrictions when trying to leverage Engulf the Shore
These ranking don't only take into account the relative strength of each deck, but also the usefulness of cards in the decks for the broader game