White Lantern Sinestro reaads "While White Lantern Sinestro is active, when your opponent rolls energy faces with multiple energy, they must immediately spin those dice down to single energy faces if possible. (E)"
If I have a White Lantern Sinestro active, does he prevent any Energize effects from triggering for my opponent, in any and all steps, or does he simply spin a double energy to a single after the Energize effect triggers?