You want to make your chances of finding this card early as likely as possible
While it isnt quite as crazy, Displacer Kitten almost gives me fixed Paradox Engine vibes
Another powerful synergy is with the Trample mechanic
LETS SORT THIS OUT Do you have your cards in order
Legendary Planeswalker - Ajani Nikara, Lair Scavenger Partner with Yannik, Scavenging Sentinel (When this creature enters, target player may put Yannik into their hand from their library, then shuffle.) Menace Whenever another creature you control leaves the battlefield, if it had one or more counters on it, you draw a card and you lose 1 life
Big powerful dinosaurs themselves are often the payoff for a dinosaur deck, so the best way to make the most of these creatures is by giving them additional buffs on top of their already good effects