"Somebody mentioned to me that a misphrased Wish spell could produce a flaming crater a thousand miles across.  If they weren't lying, that's a fairly respectably-sized explosion even for my Civilization, though we could probably do more of them.  What goes wrong if the plan is, say, sending a suicide volunteer into Awaiting-Consumption and doing that?  And if they rebuild the city, do it again."

Okay, check the obvious simple paths to victory to see why they don't work.  "Somebody mentioned to me that a misphrased Wish spell could produce a flaming crater a thousand miles across.  If they weren't lying, that's a fairly respectably-sized explosion even for my Civilization, though we could probably do more of them.  What goes wrong if the plan is, say, sending a suicide volunteer into Awaiting-Consumption and doing that?  And if they rebuild the city, do it again."

Okay, check the obvious simple paths to victory to see why they don't work.  "Somebody mentioned to me that a misphrased Wish spell could produce a flaming crater a thousand miles across.  If they weren't mistaken or exaggerating, that's a fairly respectably-sized explosion even for my Civilization.  What goes wrong if the plan is, say, sending a suicide volunteer into Awaiting-Consumption and doing that?  And if they rebuild the city, do it again."

Okay, check the obvious simple paths to victory to see why they don't work.  "Somebody mentioned to me that a misphrased Wish spell could produce a flaming crater a Teleport radius across, which I think is seven hundred miles or something like that?  If they weren't mistaken or exaggerating, that's a fairly respectably-sized explosion even for my Civilization.  What goes wrong if the plan is, say, sending a suicide volunteer into Awaiting-Consumption and doing that?  And if they rebuild the city, do it again."