It acts as amazing fixing in our deck and doubles as a finisher, either putting all our changelings into play or ALL our creatures if we have Maskwood Nexus on the battlefield
The downside of granting your opponents an additional land is one you shouldn't take lightly and if playing against Izzet or Simic decks, but this card gives you the chace to get cards like Ouroboroid, Badgermole Cub, and Slickshot Show-Off out of play before they have the chance to do any real damage
The art piece is fully drawn in purple shades, adding to the mysterious feeling in this Dreamborn card
Making an exponentially large number of tokens is one thing, but its very easy to give them haste and get opponents dead very quickly
I'll walk through some of them to demonstrate: Card Drawing: As I said above, blue is #1 and black is tied for #2
Weaknesses Your deck is full of creatures, but you got a very low amount of counters or other stuff like hexproof to protect them from evil spells like Path to Exile or Murder