08-22-2015, 05:59 AM
Rydia, especially if we go with the DS version's abilities. Unlike Yuna, Rydia has black magic (and thereby Death available), and with the Piercing Magic and Fast Talker augments, she'll get it off before Yuna's able to do anything herself, or even if Yuna was to get up a Reflect, then Piercing Magic takes care of that.