Artillery

Reach - this card can block airborne cards,
with flying, such as balloons, and seaborne
cards like Ironclads.
Observation Balloons Boost this card by +2/+0.
Artillery, which in the Civil War consisted of
cannons, was used against infantry, buildings,
fortifications, and ships. Artillery was limited
during the Civil War to firing at targets the
gunners could see. There were no forward
observers who could direct them a target.