The setup wizard walks you through configuring tasks without requiring you to understand the underlying logic
That argument bears fruit (or treats, or kibble, etc.) when you look at the most valuable Dog cards versus the most valuable Cat cards
The more efficient the player is, the better, as in the long term, they will be able to open far more packs if they are simply on top of their timing
He may be contemplating the sale of one of his most treasured cards
(Tahngarth got deformed while a prisoner of Volrath, so we thought the new card would portray how Tahngarth had changed because of it.) When that plan changed, we ended up not doing a Tahngarth in Tempest block
Some commons are pretty expensive, and some of them are preferable to cards with higher rarity