Spells like Heroic Intervention, Boros Charm, and Teferi's Protection will spare the Dinosaur horde a miserable fate at the hands of board wipes, though the deck must remain cautious of counterspells that may interfere
Cheap, flexible, and lots of chances for a nice 2-for-1
Sword of the Meek [Strong Recursive Artifact] Unassuming it may be, but Sword of the Meek was once half of an engine (the other half being Thopter Foundry ) that allowed you to convert X mana into X 1/1 flying artifacts and X life
Consistent generators like Tireless Tracker provide a steady stream of clues just for playing lands, while enchantments like Thorough Investigation reward you for attacking
What set is Doric, Nature's Warden // Doric, Owlbear Avenger from