Rule 377.1
Activated Abilities are recognized by the presence of a ":" in the text of the card, preceded by a cost and succeeded by an effect. Example: "[2]: Draw 1" is an activated ability. The cost is 2 energy. The effect is to draw 1 card.
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Activated Abilities are recognized by the presence of a ":" in the text of the card, preceded by a cost and succeeded by an effect. Example: "[2]: Draw 1" is an activated ability. The cost is 2 energy. The effect is to draw 1 card.