CLG has a good chance to end up in a relatively easier group. The #2 and #3 teams from NA are going to have it really rough though.
Ehm...no. Unfortunately they are not going to get a any easier group because of the #1 seed, they just make sure to avoid FNC, LGD and whatever team is #1 in Korea - likely SKT - which is surely good, but given that they can't get in pot 2 the NA team, they will have in the draw #2 and #3 teams from both Korea and China, #1 and #2 team from LMS and H2k
This means that unless they have incredible luck by getting both of H2k (and, H2K is not aan easy match-up at all for them, as their historic strength is macro play which was really the advantage CLG showed vs the other NA teams in this LCS split) and yoe Flash Wolves - thus avoiding also the #3 europe team from pot #3 and getting an IWCI wild card team in pot 4 - they could end up to play vs at least 1 if not 2 teams from China/Korea or by the way get aHQ along a Chinese/Korean team
Paradoxically among the 1st seeds they are the team which could end up having the most difficult group and they could end up having a more difficult group than NA #2 team
Best scenario for CLG would be something like: CLG, H2K, yoe Flash Wolves, IWC team
Worst scenario for CLG would be something like: CLG, #2 Korean team, #2 Chinese team (or aHQ), #3 EU team
Middle ground scenario for CLG would be something like: CLG, #2 Korean/Chinese team (or aHQ), H2K, Iwci team (or #2 LMS team and #3 EU team)