You can get a look at the Disney Lorcana card itself, and that gorgeous artwork, below
If you dont, the green player gets to go and grab some powerful lands I think this will most often get one to two lands tutored into play, with one to two problem permanents removed
Along with that, it makes each nonland permanent you control every colour and allows all of your lands to be every basic land type - which is a huge boon for a lot of five-colour decks
It is a risk table
Whether you have a single treasured Charizard or boxes full of assorted critters, the next logical question is, "How much is all this worth?" Accurate valuation isn't just for bragging rights
This perspective changes with a set like CMM, since you can put legendary multicolor creatures in your command zone, meaning you have immediate access to them