Etali, Primal Storm [Commander 2020]

Set: Commander 2020 Type: Legendary Creature — Elder Dinosaur Rarity: Rare Cost: {4}{R}{R} Whenever Etali, Primal Storm attacks, exile the top card of each player's library, then you may cast any number of nonland cards exiled this way without paying their mana costs. The storm rages and the earth breaks.