Word for person attracted to shiny things

Perhaps surprisingly, the answer is in your own question: "сорока" = magpie

magpie (countable noun): If you describe someone as a magpie, you mean that they like collecting and keeping things, often things that have little value.

{informal} "A born magpie, Mandy collects any object that catches her eye."

Collins dictionary

For example:

"Magpies do not steal trinkets and are positively scared of shiny objects, according to new research.

The study appears to refute the myth of the “thieving magpie”, which pervades European folklore.

It is widely believed that magpies have a compulsive urge to steal sparkly things for their nests."

BBC

@Anton's answer of magpie is probably the way to go here. But I feel compelled to throw in

positive phototaxis which is the compulsion of an organism to move towards bight objects. (Wikipedia) Like a moth to a flame.

Next time I'm feeling clever with my wife, I'll be sure to use this one.