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
Standard is way too fast for this, and Commander has plenty of better options
Investor Perspective vs Collector Perspective How you value opportunity cost depends heavily on your mindset: Investor Thinking Capital efficiency matters You want maximum upside per dollar Diversification reduces risk Demand trends are critical In this case, CGC/TAG may offer better dollar-to-exposure ratios especially when grading standards are comparable
Wizards of the Coast had expected that people would not necessarily be able to tell the two press runs apart
At worst you'll just sacrifice the goblins you just made, whereas opponents will likely be losing real creatures
Trefethen authored a paper using a tweaked version of the GilbertShannonReeds model showing that the minimum number of riffles for total randomization could also be six, if the method of defining randomness is changed