Four-Leaf Clover Emblem

Four-Leaf Clover Emblem is a superior-quality style item unique to the 2011 St. Patrick's Day Event, Mxyzptlk's Mischief. Use of the emblem unlocks the Four-Leaf Clover emblem costume style when used.

Source
The Four-Leaf Clover Emblem is awarded for winning a race, the Daily Planet flight challenge Shenanigans!. This race is only available during the 2011 St. Patrick's Day Event, and located in the Downtown district of the city of Metropolis.

Race reward

 * Daily Planet Flight Challenge: Shenanigans!

Style unlock
Upon using the Four-Leaf Clover Emblem, a character unlocks the Four-Leaf Clover emblem costume style, which can be accessed at any time from the Style Window.


 * Four-Leaf Clover