If you choose to pay with Energy, "Begin a Dance of Decades" lets you pay any amount of Energy – even more than the amount you'd normally have to pay. This may be advantageous if you want reduce the time it will spend impending. The impending card will then come into play on a future turn based on the card's printed cost, like impending cards normally do. It won't automatically gain all elemental thresholds on that future turn since that effect of "Unlock the Gates of Deepest Power" expires when Time Passes this turn. Tags: Forgetting, Unlock the Gates of Deepest Power, Rhythmic Power Builds to a Cataclysmic Crescendo (Dances Up Earthquakes), Begin a Dance of Decades (Dances Up Earthquakes), 1 more...