Thulsa Doom called. He wanted his gimmick back.
Heathen!

That "spell" was first on the screen in The Ten Commandments, not Conan!
The Egyptian wizards threw their staves at Moses' feet, where they became serpents. Moses retaliated- his staff-snake eating the others.
The ones I miss? (Besides that one, of course)
Chromatic Orb, for one. And a lot of the ones that appeared in supplements, like Devastate, Thunderstrike, Weapon Immunity Bombard and Sandstorm from Old Empires. Countless others.