There is 15 common troops, spells and buildings.
Splash damage, radius, small damage to Crown Towers.
Splash damage, great card to kill hordes of enemy troops anywhere on the map.
Single shots, low damage, expensive.
Splash damage, low damage, easy to get down.
Splash damage, defensive unit.
Air target, super cheap.
Single DPS, bad but cheap unit.
Air target, good on right place.
Splash damage, put him behind your tanks.
Great and cheap tank.
Air target, flying.
Air target, flying, better than minions, 6 units.
Single DPS, 4 strong units, very good.
Tank, single DPS, giant with big gun, shooting from distance.