It's just that finding a four-leaf clover is extremely difficult since it is a "mutant" clover. If you were able to find such a "mutant" clover, you'd be a very lucky person. I've hunted for one for a long time as a child, but never found one. So, you actually need the luck to find the four-leaf clover, even though people say you get the luck from the four-leaf clover. People just associate the four-leaf clover with luck and that's why they say that it "brings" good luck.
Also, perhaps there is more to this question. In many cultures, it is widely believed that four-leaf clover brings luck, so it might be coming from an old belief or a specific culture. We should know what other distinct cultures say about it.
The four-leaf clover traditionally brings good luck.
four leaf clover
A four leaf clover is a common 3 leaf clover with a mutation which makes it grow a fourth leaf. According to Irish tradition, a 4 leaf clover brings good luck to their finders, especially if it's found accidentally.
If you find a four leaved clover it brings you good luck.
if you don't have good luck, then you don't have a four leaf clover!
The four leaf clover is considered a symbol of good luck by Irish people
Four leaf clover, Penny, Crossing your fingers, Ladybugs, Rabbits foot, Horseshoe.
A four leaf clover is called a four leaf clover because it is a clover with four leaves. The reason for its name is quite literal. =)
The tradition behind the four-leaf clover is that it is considered to be a symbol of good luck and fortune. It is believed that finding a four-leaf clover brings good luck because each leaf represents something: the first is for faith, the second for hope, the third for love, and the fourth for luck. This tradition dates back to Celtic folklore and is still popular today.
four leaf clover bring you good luck. three leaf is a shamrock
A four-leaf clover is a rare variation of the common three-leaf clover and is considered a symbol of good luck and fortune. It is said that each leaf of a four-leaf clover represents faith, hope, love, and luck.
Good Luck!