Spend 10 to knock a building down: If you knock 20 buildings down, your work here is done; you win the game.
Kevan
US Military
The US Military have 100 Energy. At the start of each round, they will decide to Attack the Monster with the most Energy for 20 damage (or as much of 20 as possible), and to spend the rest on Defence.
Kevan
Egg Clutch
Your Egg Clutch has 50 Energy, and cannot Attack or defend, although you can choose to defend it. It produces a copy of you (with 50 Energy) at the end of every third round.
Kevan
Thagomizer
When Attacking the Monster with the single lowest Energy, add 10 to that Attack.