In addition, brainwashed Minions may only play Generic Mugic. However, if you control a Chieftain Creature, all Minion Creatures you control become 'brainwashed,' meaning the rules text in their Brainwashed text box becomes active and rules text outside the Brainwashed text box becomes inactive. Normally, all rules text in this section is inactive. Minion Creatures have the innate ability 'Brainwashed', which appears at the top of a gray box within the Creature's text box. This ability was introduced in the M'arrillian Invasion set. They are typically written in the format “Pay (cost) to do (effect)” or '(cost): (effect).' Top - 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y ZĪbilities that have an associated cost to activate (such as the removal of one or more Mugic counters).