Clover Heart's happened in 2003.
Vandal Hearts happened in 1996.
Shadow Hearts happened in 2001.
Dual Hearts happened in 2002.
Shining Hearts happened in 2010.
Rusty Hearts happened in 2011.
Hearts of Iron happened in 2002.
Fatal Hearts happened in 2007.
Plundered Hearts happened in 1987.
you will find it among shamrock (3 leaf clover ), it only happen one in 10.000, so good luck!
they're hearts will be complete
Alice in the Country of Hearts happened in 2009.
Hearts of Iron II happened in 2005.