Thundering Skies

At the beginning of your upkeep, you get
{e}{e} (two energy counters). If you control a God,
you get {e}{e}{e} instead.
{b}{g} Sacrifice a creature, you get {e}{e}{e} (three
energy counters).
{e}x30 -Tap all creatures your opponents control
until their next upkeep. Creatures you control
gain Vigilance.