For a two-mana walker, that kind of long-term control is honestly a little rude but it is also exactly what makes Wrenn and Six one of the best planeswalkers in MTG
When a creature with hideaway N enters the battlefield, look at the top N cards of your library, exile one of them face down, then put the rest on the bottom of your library. The sets update to hideaway allows N to be any number, changed from being inherently four previously
Green has the widest array of creatures to draw upon, ranging across all power levels, and generally is able to dominate the battlefield with many creatures in play at once
Think Isochron Scepter combos, Voltaic Key combos, Sword of the Meek + Thopter Foundry
The Tinker Bell - Giant Fairy card captures that overgrown power wonderfully in the art and the card's abilities
You also have a lot of redundancy because many of your cards are similar to one another, e.g