Im ranking these by aid as a teammember not by best induvidual skill(like OP but thought to mention anyways)
1.San/Rohy as Maul
2.Saul
3.Canary(for ability as a team player)Sauce and uhhh r.......gigglebyte(for their clutch ability)
4.Any of the good archers(Agile, Robin, Kesh) because of how much damage they do during the round.
5.Hard to put a 5th here...hmmm ill fill it in when I think of something.
Other HUGE factor-Clan teamwork in order to win rounds. Aka-u wana be on their side
1.Chaos(Holy shit a couple nights ago.......)
2.Remnant
3.Raven(when there is alot on) or, i know this is self promotion, but astralis(for namo, luk, phantasmal, agile, bull)