(Damage and effects that say "destroy" don't destroy them.) Flavor Text "Ja, ja, ja, ja, ja!"
In addition to this, a big part of the reason these cards were so popular was because the mana in that Standard format was quite bad, to the extent that you were pretty close to wanting Attune with Aether in your decks even before the energy bonus, but once you have the energy bonus you might as well play Harnessed Lightning, which means you may as well play Rogue Refiner to power up your kill spell, and so on
You won't draw cards
However, that five-mana difference materializes through two very real drawbacks: the cumulative upkeep cost of one generic mana, and the ability of your opponents to player it around it
It is expected that spoilers will begin roughly three weeks before this date, but that is unconfirmed
Then Time Spiral was released, and in it