Since the mana ability sticks around throughout the saga, you can likely cast the dinosaur you search for, then deal a lot of damage the following turn
I'm thinking of things like Triplicate Titan which will have a really nice payoff and can be eaten in turn to generate mana to keep fueling your unearthing
The Town clause has the potential to be relevant, too, thanks to one particular Land that will appear later on this list #5 | Stolen Uniform Stolen Uniform is a bit of an interesting inclusion on this list
White Honorable Mention Best Common Best Uncommon Top 5 Im a believer in creatures, so Platoon Dispenser letting me draw a card for free when Im doing what Id normally do anyway is all kinds of win
The original mention of a Final Fantasy holiday product has since been removed from any official Wizards of the Coast pages, but this new product could easily be exactly that
Cast equipment, cast Nahiri, attack to cast way more equipment, and hope to dodge artifact board wipes long enough to close out the game