It has one of the most powerful keyword combos a creature can have in this game, including vigilance, trample, and haste
Obviously we can go further with this, running a dedicated Lands deck that looks to fill our graveyard with lands and other stuff via cards like Faithless Looting and Life from the Loam, recur our stuff with Windgrace and stuff like Splendid Reclamation, and throw in cards that care about lands (Avenger of Zendikar)
This also means that you can recur this creature later on to access those spells again if necessary
The zipper just locks everything in place
In the spirit of authenticity and creative immersion, we wanted to do something special with this drop
Two mana to destroy an enchantment and get a few Saproling tokens at the same time is incredible