However, there are a few ways to get more cards and increase your collection
HELIOS One is the most important Energy card in this precon, especially because it can slot into any and all Energy decks
There are certainly downsides here, most notably that exiling your fallen creatures eats into your reanimation options
Because of this, cube designers dont have to adhere to rules that are required for building decks for sanctioned Magic like Standard or Modern
Its an excellent glue card for many strategies: a good target for Birthing Pod, high-toughness, untapping is pseudo-vigilance, ramp, discard for graveyard value/reanimate, blink, the list goes on
Thalia, Guardian of Thraben Thalia, Guardian of Thraben is on the opposite spectrum