Best Vegan Fish Tacos

Name: Best Vegan Fish Tacos
Ingredients: 14 oz Super Firm Tofu; 12 corn tortillas; 2 tbsp soy sauce; 3 tbsp lime juice; 2 tbsp water; 1/2 cup nutritional yeast; 2 nori sheets, ground (or 1/4 cup nori flakes); 1 tsp ground cumin; 1 tsp garlic powder; 1 tsp onion powder; 2 cups shredded cabbage; 1/2 cup shredded carrots; 1 cup unsweetened vegan yogurt; 1 1/2 tsp chili powder; 1/2 tsp garlic powder; 1/2 tsp salt; 2 tbsp lime juice; black bean mango salsa; lime slices for serving; avocado slices for serving