Here you are primarily looking for cards like Double Colorless Energy, Triple Acceleration Energy, and Counter Energy, which will allow Pokmon that rely on heavy energy costs to be powered up in a more reasonable amount of time
Lastly, they are in possession of a fantastic support card called Unpossessed
Another popular black trick is to grant a creature deathtouch (often at instant speed, although black also has its Auras) during combat after attackers and/or blockers are declared
In those hyper lean matchups tempo tends to be incredibly important, so being able to trade up on mana, or deploy and protect a threat in the same turn can easily turn the tide of a game
Questing gives you the chance to look at the top card of your deck
Our sweepers are great against normal aggro, and we consistently find them on time thanks to our endless card draw, but things become a bit more questionable against aggro decks with counters, since a Negate or two on our Cleansing Nova or Settle the Wreckage is usually enough for our opponent to kill us
