Munro
Deity
It might do Munro, but they might have copper don't forget, so it is a bigger gamble than with natives and it will delay us considerably if 2 players are at 0%.
So not sure...
Well, the chances of them having copper actually in the city tile are really low. If it's within their BFC, then the Holkan can choke it before they hook it up. It's only really going to be a problem if they have 2 or more cities which have copper in the BFC *and* which are also connected by rivers - so they can trade it around. Otherwise they're going to be stuck until they can get a bowman over there to move the holkan...
Also, ~40 gold for the upgrade is less than even 1 turn delay, and with the 7 bpt boost we'll get from being 1 turn behind every now and again (due to the known civs with this tech bonus) the gap will be even less than that by the time it actually matters...
But choking Egypt horses or copper (or just preventing them from hooking up food resources) right from the start would be really powerful...
Anyone else have any thoughts on this?