Well the event is over a long time ago. So...you can't get them anymore, I don't even think it was tradeable.
I usually throw them out since it was useless to me and just spammed my inventory.
Leo Server:
Main Team: Killerkev, iluvkev, ChibiKev, KevyKev. (All rb at lvl 199)
Burst Teams: KeyCey, KeyCay, KayCey, KayCay. (All rb at lvl 180)
Others: ilovekev, xKev. (Non-rb)
Contacting Me~
MyAnimeList c:
