A deckbuilding checklist is a general list of minimum requirements your average good deck should have, regardless of the individual deck's goals or themes
The most powerful cards in the deck tend to be expensive to play, and it's not easy to draw the exact cards you need
If your opponent played three creatures while you only played one, a board wipe like Wrath of God would be card advantageous because youre spending two cards in this transaction: your creature and Wrath of God
You can get combos like Dark Depths and Thespian's Stage or Urborg, Tomb of Yawgmoth and Cabal Coffers
There's an element of randomness here, and you might not come out ahead of the exchange, but it's like being dealt a pair of aces in poker: odds are definitely in your favor that you'll end up ahead
If you said between $3,600 and $5,000 you would be reflecting the range of market sales well for this particular Alpha card