Start by cleaning, peeling, and deveining the shrimp. In a medium bowl, combine the ancho chili powder, garlic powder, cumin, and smoked paprika. Toss the shrimp in this spice mix until they are evenly coated and set aside for about 10 minutes to allow the flavors to meld.

Heat a large skillet over medium-high heat and add a tablespoon of oil. Once the oil is hot, add the seasoned shrimp in a single layer. Cook for about 2-3 minutes per side, or until the shrimp are opaque and pink, glistening with flavor. Remove from heat and set aside.

In a dry skillet or on a griddle, warm the corn tortillas over medium heat for about 30 seconds on each side until soft and pliable. Alternatively, you can microwave them for about 15-20 seconds under a damp cloth to keep them warm and prevent any tearing.

In a large bowl, combine the shredded green and purple cabbage. Drizzle with fresh lime juice and a splash of olive oil, then season with a pinch of salt. Toss everything together until the cabbage is well-coated and vibrantly mixed, adding extra lime juice to taste for brightness.

To assemble your tacos, place a generous amount of cooked shrimp onto each warm tortilla. Top with a handful of the cilantro lime slaw, followed by spoonfuls of fresh pico de gallo. Finally, drizzle with creamy avocado crema for added richness, and serve immediately for the best flavor and texture.