Emmara, Soul of the Accord
Legendary Creature — Elf Cleric
Whenever Emmara becomes tapped, create a 1/1 white Soldier creature token with [[ keyword: "lifelink" ]].
"Whatever hatred destroys, a single act of trust can revive."
Mark Winters
The List (PLST)
• #GRN-168Rulings
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.
(wotc • 2018-10-05)
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.
(wotc • 2018-10-05)
Rulings
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.
(wotc • 2018-10-05)
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.
(wotc • 2018-10-05)