Preheat oven to 350 F. Heat 1 tablespoon oil in a large saucepan over med heat. Add onion and sauté until translucent, approx 5-7 min. Add garlic and cook until fragrant, 2 min. Add mushroom and kale and cook down, approx 5-7 min. Pour in wine and cook until reduced. Stir in herbs, season w/ salt and pepper (stir some more), and turn off heat.
Meanwhile, bring large pot of salted water to boil. Add lasagna noodles and cook as directed. Drain and lay lasagna noodles out flat on a baking sheet or a flat surface to cool.
Combine pumpkin, 1 egg, ricotta cheese, 1 ½ cups mozzarella cheese, and kale mixture in a bowl. Stir until well combined. Season with salt and pepper.
Assembly: Spray 9 X 13 baking dish with cooking spray. Line bottom with ½ cup of marinara sauce. Take ⅓ cup of filling and spread evenly over noodle. Carefully roll and place seam side down into baking dish. Repeat with remaining noodles. Top rolled noodles with remaining sauce and mozzarella cheese. (Make-ahead: to store or freeze, cover lasagna tightly with plastic wrap, then aluminum foil.)
Bake: Cover with aluminum foil and bake for 30-35 min. Remove foil and bake for additional 5 min, or until cheese is melted on top. Remove from oven and serve warm.