Marinate steak: Rub steak with olive oil, smoked paprika, chili powder, salt, and pepper. Rest 30 minutes (overnight for best results).
Make garlic butter: Melt butter in skillet on low. Add garlic, sauté until golden. Remove from heat.
Cook steak: Sear steak in hot skillet or grill, 3–4 minutes per side (medium-rare). Rest 10 minutes, slice thin against grain.
Sauce beef: In skillet, mix BBQ sauce + honey until bubbly. Add sliced beef, toss well. Pour in garlic butter.
Heat tortillas: Warm over flame or skillet.
Assemble tacos: Fill tortillas with beef and toppings. Serve with lime wedges.