Although both Midnight Hunt and Crimson Vow are thematically tied to the gothic horror setting of Innistrad, they do contain different mechanics and features, leaving some MTG players afraid they won't naturally complement each other without substantial curation
For example, a Base Set Venusaur Holo graded CGC 7 sold for $86 in a recent PWCC auction
Mist-Syndicate Naga Mist-Syndicate Naga is another instance of a snowballing card that will take over the game on an empty board or with a single ninjutsu

$0.99 Gatta and Luzzu (0134 - Extended Art) Final Fantasy Commander Decks Variants $0.69 Shelinda, Yevon Acolyte (0184 - Extended Art) Final Fantasy Commander Decks Variants $2.79 Ultimate Magic: Holy (0110 - Extended Art) Final Fantasy Commander Decks Variants $0.59 Yuna's Decision (0125 - Extended Art) Final Fantasy Commander Decks Variants $1.79 Auron, Venerated Guardian (0130 - Extended Art) Final Fantasy Commander Decks Variants $0.79 Summoner's Sending (0109 - Extended Art) Final Fantasy Commander Decks Variants $6.49 Damning Verdict Final Fantasy Commander Decks $0.49 Yuna's Whistle (0126 - Extended Art) Final Fantasy Commander Decks Variants $1.29 Protection Magic (0107 - Extended Art) Final Fantasy Commander Decks Variants $0.49 Blitzball Stadium (0111 - Extended Art) Final Fantasy Commander Decks Variants $0.79 Lord Jyscal Guado (0137 - Extended Art) Final Fantasy Commander Decks Variants $1.29 Wakka, Devoted Guardian (0190 - Extended Art) Final Fantasy Commander Decks Variants 0 results found

The fact that it is a single use card also makes it a better card design, it will not slow down games overly and it will provoke more difficult choices
The Izzet Phoenix deck has two copies of Expressive Iteration, which is banned in Pioneer, but if the deck is played in its entirety it will be legal in the format