Ephemerate (Retro) [Modern Horizons] Enchantment Hall of Storm Giants becomes

Hall of Storm Giants becomes a 7/7 blue Giant creature with ward {3}

Overload {2}{W}{W} (You may cast this spell for its overload cost

We must find another source of mana—one that is growing despite our withering world

Whenever Goldspan Dragon attacks or becomes the target of a spell

Eye of Wisdom At the beginning of combat on your turn

Ephemerate (Retro) [Modern Horizons] Enchantment Hall of Storm Giants becomesSet: Modern Horizons Type: Instant Rarity: Uncommon Cost: {W} Exile target creature you control, then return it to the battlefield under its owner's control. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)