Actually there does seem to be an Age 4 card that give you 22 Huraca and increased range. However you have to survive to age IV. If you want to see a rec of me making only Chimus and the opponent making only Gatling Guns and me losing, check this out (played it today).
Also, with the 60% kancha trickle increase card, the gather rate of food for the kancha becomes the same as a villager on hunt, so it is actually comparable to Brit, except they get their bonus immediately in Age I without sending an Age 2 card. Its actually good that they nerfed a cheese strategy. I would prefer a civ to be overnerfed versus overpowered. An overpowered civ can really ruin the game for everyone, when everyone online jumps on the OP civ and spams it.