Players who preorder booster boxes from their local game stores may be eligible for special promo cards
Cards featuring popular figures, like Charizard, Mewtwo, or Lugia may also be valued higher than ones featuring less-popular characters." These sentiments are echoed by fellow expert Ryan Friedman, owner of Auction Report, who says: "Mostly, it comes down to supply and demand
You can cast it, create a 1/1 token, and return it to your hand for zero mana, allowing for an arbitrarily large army of Saprolings in a single turn
This means that over time you can build your own creations to spice up your game however you'd like
As far as the card goes it's a strong commander on its own, but sadly, its second effect cant be used because it requires it to be in your hand
In the FAQ(TIWDAWCC) I said that you only have to pay echo once after the creature phases back in for the first time