If we break down each of its colors, you can find what they can contribute to this strategy
Not a very exciting option and certainly not one of the best picks, but a serviceable option C- Smog Elemental Six mana is a lot to pay for a 3/3 flyer, but it also takes care of opposing aerial threats
One turn you're casting a Creature that gives +1/+1 counters, and the next thing you know you're casting a Phyrexian Altar to win the game
Adarkar Wastes is the same power level as Island, so it's safe to say that the Sapphire would have to cost what Talisman of Progress does: 2
By the time you're playing Look at this Family, you're likely later in the game, having thinned your deck out a bit and giving you better odds at getting something you want
This set had a print run of 2.6 million cards