All that power lies in the difference between drawing two random cards and picking the best two of five
Technically, you can even do this for free, since you can untap four artifacts or creatures
For example, let's say you open Sarkhan, the Dragonspeaker in pack two
Outlaws of Thunder Junction Play Boosters contain cards with the following set codes: OTJ, OTP, BIG, and SPG
2 Goro-Goro And Satoru Originally intended for creatures with haste, Goro-Goro and Satoru is a team up legendary creature that produces tons of Dragon tokens for every sneaky ninjutsu strike you make
This percentage is a bit worse than it sounds, as it ignores the problem of drawing multiple copies of a specific legendary creature, but still the numbers needed to make assembling a 6/6 seem quite achievable with the right supporting cast