Can we get a slight change to Alhambra? My authority games always have the same problem.
If playing well, you're usually taking (or trying) some cities throughout the first half of the game with the help of Drill, so you've dished out some Drill promotions for your army. Warmongers might also have grabbed Statue of Zeus, so you'd be well advised to synergize with Drill. However, it becomes a wasted promotion if you continue succeeding enough to snag Alhambra because most of your army probably already has it. Drill will also be useless for future land units against castles at this stage of the game because trebuchets are usually on the field, and cannons will be soon enough (if they aren't already).
The other option is to hold off on choosing Drill for the first half of the game in anticipation of possibly getting Alhambra, which is a terrible idea because you may not even get it built before another player. You will also miss out on having units with Drill throughout the initial phases of the game when you can actually utilize melee units with the promotion. Even if you take this path and get Alhambra, you still run into the same problem as before with your new shiny Drill promotion being essentially useless from that point forward, as city attacks are best left to siege units.
I propose switching Drill for City Assault because it will actually have some lasting value for warmongers. Rarely will you have units with City Assault in the time frame, so it will make Alhambra feel more worthy of being a policy finishing wonder (don't get me started on Taj).