After the loss of Castle Fynn, the survivors flee to nearby Altair, where the rebellion makes a temporary headquarters
At its most basic level, a good deck has one or two main attackers, several supporting attackers, and a handful of trainer cards
In my years of personal experience, examining good decklists, and talking to people much smarter than me, 50 mana sources is about the right number for most decks to shoot for, usually 37 lands and 13 ramp sources for a general budget deck
Wherever Reprocess is good, so is God-Eternal Bontu
This raptor can also balloon to huge sizes if a lot of creatures are entering the battlefield under your control, and when combined with a trample-bestowing spell or Aura (trivial to find in a Dino deck), this raptor just might maraud its way to victory for you