Defiant Baby Bird Topwater Crawler is the most “effectiveness” driven choice if you mean getting reaction strikes from aggressive predators. It’s built for surface commotion and is aimed at pike-musky, where a waking splash can draw attention fast.
Golden Gobes Drop is effective when bass are feeding on gobies or other small bottom forage. It’s a finesse option with a subtle bottom-oriented glide, so it shines in pressured water or when fish want a natural presentation.
Olsen's Olive Quilldigon Barbless is effective for trout that are feeding subsurface on mayfly nymphs. It’s a dead-drift fly for riffles, runs, and seams, especially when a small, natural drift matters more than flash.