You can use it to get key lands like mana maker Nykthos, Shrine to Nyx or make E
This legendary artifact lets you play the top card from your deck anytime you like, while swapping their mana costs out for an equivalent life lost exchange
Its a fact of Limited that you will win and lose more games to drawing too few, too many, or the wrong kind of lands than in Constructed
Most cube designers will say 360 cards so that you can fire an 8-person Draft with 15-card packs and draft all the cards available
You just type in or paste the list of cards which is automatically formatted with mana colors and sorted by card types with the price next to each card and the total for the deck
Then each creature that isn't an Insect, Rat, Spider, or Squirrel gets -1/-1 until end of turn for each creature you control that's an Insect, Rat, Spider, or Squirrel