What multiclass builds would benefit the most from a Lore Bard 3 dip?

There is a MC skill build. Its something like Rogue1/Cleric1 (knowledge), Lore Bard 3, Warlock 2 (beguiling influence, agonizing blast). Take the feat that grants 3 skills and you are proficient in all skills. Use eldritch blast+hex+agonizing blast to deal damage.

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