Buildings give more plunder spy building increase bonus plunder from allies. And always be sure to be at max plunder
Oo rikki, what the? Lol Spy buildings increase your plunder per hit marginally, but your eb BONUS and steal amount substantially. Troop buildings increase your plunder per hit ONLY Staying at max ally plunder (MAP) means you get the highest amount of ally plunder you can (based of how many of what buildings you have, troop buildings add to this slightly more than spy)