Assuming that either Cow or myself is going to be playing mid, we will almost have a low-mobility AoE mage with a lot of zoning potential. Similarily, Pacov and Hunny tend to play more early-game focused ADCs (more often Lucian/Caitlyn/Graves rather than Kog/Twitch/Trist). Pacov also tends to be rather gank-focused bot lane, and tends to purchase a lot of pink wards, etc.
i think that means that we are often going to be in a position where we will be advantaged for the first dragon or so.
For myself, i can certainly play a few different styles, but my champs tend to be more teamfight focused:
1- Gnar
2- Rumble
Champs i have worked on a fair amount but may not be as consistent as my Gnar:
3- Hec
4- Kennen
5- Renekton
Rumble is pretty crazy when it comes to dragons. Gnar is pretty good if the team is ahead. Can be difficult if we are behind though, because probably won't be able to build rage. Hecarim and Kennen are worse than Rumble for the first 2 dragons but equal/better later on.
Luckily a lot of these champs are all reasonably well scaling, especially if the rest of the team is doing really well (Rumble, Gnar, Hec, Kennen). i don't mind playing the "sucker" in the team and not always getting as much attention as the rest of the lanes.
The biggest gap in my roster is a pure-tank that isn't weak early (Hecarim is pretty tanky, but has very little lane presence early game). If we really need me to learn Maokai, i could do that.
A lot of my roster is also very vulnerable to Lissandra or Irelia. Gnar and Kennen both really struggle against Irelia unless i receive jungle backup (since they will push the lane pretty hard). Lissandra is really good against Gnar in lane until i finish Hexdrinker, and can bypass Mega-Gnar in teamfights.
i feel like of the two, Lissandra is the greater evil of the two, and i think that we should be using a ban on her if possible.