Sheet Pan Blackened Salmon with Garlicky Kale

Name: Sheet Pan Blackened Salmon with Garlicky Kale
Ingredients: 4 tablespoons extra-virgin olive oil, divided use; Four 8-ounce portions wild salmon, skin on, pin bones removed; Kosher salt; 1/2 teaspoon cayenne pepper; 1/2 teaspoon sweet paprika; 1 teaspoon garlic powder; 1 teaspoon dry mustard powder; 1 large bunch Tuscan kale, (about 12 ounces) stemmed and torn into bite-size pieces; 4 large garlic cloves, minced; 1 teaspoon dried oregano; Grated zest and juice from 1 large lime; 1 teaspoon honey