mtg commander 2018 exquisite invention deck list - Commander and can’t contain more than one copy of any card other than basic lands Commander 2018: "Exquisite Invention" Deck

Id say they can be replaced with more fitting cards

Maleficent Biding Her Time Character Type: Dreamborn Title: Villain Title: Sorcerer One mustnt rush these things, or the greatest plan might come to nothing. Card Stats: Attack Power: 1 Health Points: 1 Franchise: Sleeping Beauty Card Description: Enter the enchanting world of Sleeping Beauty with the Maleficent Biding Her Time Lorcana card, a portrayal of the cunning and patient sorceress

Gale also has background, which means you can pair it with something along the lines of Scion of Halaster to make a nice graveyard/spellslinger combo deck

Any of them that stops being a creature will also stop being a Phyrexian until it becomes a creature again, if applicable