This plays notably well with landfall cards like Nissa, Resurgent Animist, Lotus Cobra, and Tireless Provisioner that generate mana via landfall thats 6 extra mana from four triggers and two untapped lands, letting you spend 11 mana the turn you played Windgrace
In this article, Ill highlight my top 10 cards from Duskmourn
Theres no priority pass in between repetitions by the way - you reveal one card for the first opponent in turn rotation, they decide on exile or hand, after which you reveal the next card for opponent two and so on, until all opponents have chosen
You can find this in "Hatebears" decks (which have a lot of hateful creature cards), and even the occasional Elves list
It's a nasty threat when you build around it with other impactful elementals like the various Omnaths and the incarnations from Modern Horizons 2