This "darken sky" card is an example of BattleLore's tactic cards. There are two types of command cards: tactic cards and section cards.
The text on this card reads, "Issue an order to all units equipped with ranged weapons. These units battle twice, but can neither fire at point blank nor move. If you do not command any units equipped with a ranged weapon, issue an order to 1 unit of your choice."
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