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Whenever Emmara, Soul of the Accord becomes tapped, create a 1/1 white Soldier creature token with lifelink.
Emmara’s ability is a triggered ability, not an activated ability. It doesn’t allow you to tap Emmara whenever you want; rather, you need some other way of tapping it, such as by attacking.
For the ability to trigger, Emmara has to actually change from untapped to tapped. If an effect attempts to tap Emmara, but it was already tapped at the time, this ability won’t trigger.
