awesome card sleeves Elestrals - Stellar Penterror Each pack contains 50 sleeves and are suitable for standard size cards Custom Card Sleeves | eBay

You must target six different creatures

cards, these prize printings combine nostalgia with extreme scarcity

This is a perfect one to start on

On the flip side, making copies of Wurmcoil Engine or Triplicate Titan will advance your board once the token gets sacrificed during your end step

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