Wrath of the Skies is a rare Sorcery card from Modern Horizons 3 (MH3), collector number 397. Current market price: $6.24 (foil $10.00), TCGplayer market prices via Scryfall.
You get X {E} (energy counters), then you may pay any amount of {E}. Destroy each artifact, creature, and enchantment with mana value less than or equal to the amount of {E} paid this way.