The other interesting aspect of coven is that it demands you commit to the board fairly significantly to see any results
On her own, Sab-Sunen isnt really strong enough to make the archetype work too, since she lacks immediate impact
Without Jadelight Ranger in the deck, making use of most of Zeganas textbox is somewhat difficult, and with the amount of filtering in the deck, its generally better to cast multiple spells than it is to sink four or more mana into a single source
It also stops Snapcaster Mage, although stopping Snapcaster isnt especially important in 2023 because few decks play the two-drop
"Anatomy of a Magic Card"
Also, I might have missed some cards that dont say draw cards on them, but effectively do the same thing