Reach player level three
You can only use this effect of Sagitta, Solitary of the Skyfang Brigade once per turn
Spell cards, trap cards, monster effects, and some quick-wittedness can turn the tides of the duel at any moment constantly testing a duelist's skills at any given turn
Considering this and the number of cards we draw, we have, as win condition, Psychosis Crawler, The Locust God tokens, and the Dragon combo, Niv-Mizzet, Parun or Niv-Mizzet, the Firemind with Curiosity or Ophidian Eye
With CT scanning, sellers can verify the contents of a pack without even opening it, potentially transforming the secondary market for trading cards altogether
You can counteract this to an extent by including multicolored land cards, but these usually enter tapped, slowing down your deck