For today, I consider creatures that double their own power and cards that double the power of other creatures
In the long run, this plan seem profitable, and doubly so if Secret Lairs continue to have the chance of opening a high-value promo like the stained-glass planeswalkers
From those cards, you can take any number of Pirate cards from those four cards and you get to add them to your hand
With all that ramp, you can start making use of Urza's third ability, to start exiling the top card of your library to cast it for free
My cube has some other design guidelines that might pollute the purity of my experience and notable among those are - Artificial powerlevel/balance, because not all tribes are created equal so I am very wary of just putting in some of the most powerful cards in tribes
If you can land this and then simply board wipe until the end of time, youll not only be drawing extra cards, but also killing everyone incredibly quickly