Innistrad: Crimson Vow, which contains 277 cards - not counting the two tie-in Commander preconstructed decks, launches digitally on Magic: The Gathering Arena and MTG Online November 11th
On her own, Sab-Sunen isnt really strong enough to make the archetype work too, since she lacks immediate impact
It also stops Snapcaster Mage, although stopping Snapcaster isnt especially important in 2023 because few decks play the two-drop
The other interesting aspect of coven is that it demands you commit to the board fairly significantly to see any results
These include the beginning phase, main, second main, combat, and end phase
Also, I might have missed some cards that dont say draw cards on them, but effectively do the same thing