The top card of your library wasnt information that you had access to at the time
Outlaws of Thunder Junction, the new cowboys and cacti set from Magic: The Gathering will incorporate a different type of outlaw in its official crossover with beloved anime series Cowboy Bebop
Sarkhan, Wanderer to Shiv could have a home in five-color Dragons just because the +1 is an absurdly powerful source of ramp and color fixing, but Historic Dragons already have a lot of ramp, between Sarkhan, Fireblood, Dragon's Hoard, and now Orb of Dragonkind, all being cheaper than Sarkhan, Wanderer to Shiv and offering card advantage that doesn't involve you casting Shivan Dragons in Historic
MTG Arena will offer you starter decks, and you could always purchase planeswalker decks for the paper version, but nothing beats the feeling of taking something you built and dominating the competition with it
The key recognition is that all of these ways of being are okay