I guess I should've clarified that I'd like to see him toss around lighter characters when they block his sword attacks. Heavier characters being what they are, should be okay as is. I do want to maintain that balance of risk and reward, I was just thinking of seeing something where he throws out something risky and say Cassandra blocks it and then he's usually punished. I'd like to see a more careful balance between where he can toss the character and get rewarded for a successful block (ie, I dare you to block this attack, so I can do some sort of mix up here) and create some more openings.
Sieg is definitely a fun and rewarding character to play, but I think if he had some more depth to getting lightweight characters to block his stuff or... something, I think we could see another facet of his character open up. I think he's fairly evasive as is, I'd just like to see some more of being able to control position his opponent even if they block his attacks. And I don't mean something easy to read like 6A or 4A, but some good verticals attacks as well.