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
Honorable mention to Invasion of Ikoria / Zilortha, Apex of Ikoria with the backside legendary dinosaur while the front side is just a battle
You know the ones: Gloomlake Verge, Blazemire Verge, Floodfarm Verge, Hushwood Verge, and Thornspire Verge
And it even has a clause built in to prevent decking yourself
Thanks to being a multiplayer format, there are more players to give you advice, and theyre more likely to do so when youre one of their three opponents instead of the only one
Every TCG has a frame that makes sense of the card as a game piece and organizes necessary bits of text