Heat a medium skillet pan over medium high heat with tablespoon of oil. Add mushrooms and kale leaves sauté on medium heat for ~8 minutes until kale is softened and mushrooms are cooked through.
Add black beans along with salt, pepper, teaspoon chili powder and garlic powder; cook for another 5 minutes.
Meanwhile heat 4 corn tortillas, wrapped in foil, in the oven for 10 minutes until softened.
Fill tortillas with the taco filling, top toppings as desired. Fold over and enjoy!