Plat 5 ADC LF plat supp duo

I main Kalista currently and i have a 70% win rate with her over 59 games and i am looking for a support that is diamond capable and interested in getting to diamond this season. My support preference is Leo Blitz Thresh Braum Annie; almost anyone with hard cc and is okay with being tossed at an enemy. ign: aarete i play most evenings on mtn time