For an “extremely effective worm,” the best bets here are the most proven all-around bass worms: Great Outdoors Shops 5” Stick Worm – Classic Soft Plastic Stick Bait for a do-everything stick bait profile, and Missile Baits "The 48" Worm for a subtle shimmying fall that excels on finesse rigs.
If you want a smaller, more precise option, Keitech Live Impact Worm is a strong finesse choice for Texas rigs, drop shots, wacky rigs, and jig heads.
For a floating trick-worm style bait that stays versatile and subtle, Butchers Baits 4.75" Alley Cat Trick Worm is a solid pick.
If fish are active and you want more vibration, Culprit Fast Vibe Worm 10pk covers water faster and can trigger reaction bites.
Switch to a moving bait if bass are chasing baitfish and ignoring slow worms.
Switch to a bigger worm like Mister Twister 8" Mag Buzz Worm 10pk when you need more bulk for bigger fish or heavier cover.
Switch to a super-finesse bait like Venture Lures Essential Swimmer Worm when the bite is tough and fish are keyed on tiny forage.