Six mana for a 3/3 flier might seem a bit overcosted, but its mana-less regeneration ability guarantees youll have two regenerates ready to go immediately
It can clean up a board, make a token, gain life, while also being aggressive if it needs to be
If you are flooded with lands and have the Leyline Tyrant on-board, you will be able to convert all of that mana into damage
Getting creature token generators out early is very helpful , as this will help you to start forming a battlefield to block incoming attackers while you work on setting up your battlefield.
Some larger vendors will even buy excess bulk by the box (something along the lines of $3 per 1,000 commons), though you might need to contact the vendor before you try to sell them an enormous quantity of cards
Graded Population Report: Battle at the Big Bridge #9 Visualize the distrbution of grades in the chart