Sure, some creatures are more useful than others, and you're limiting the number of times you can pull off various graveyard shenanigans, but if this isn't a major focus of your deck, who wouldn't like, say, a free Craterhoof Behemoth for a turn
Everything outside of the shape will be hidden
Comfey is the card to start putting cards in the Lost Zone
Enchantment Path of the Pyromancer Discard all the cards in your hand
Fun fact: Butterfrees wings reflect ultraviolet light, helping it find friends and mates in the wild
Exploration for four mana is a bit spendy, but when you solve it which is really easy to do you get a green Future Sight effect that lets you play the most common green build-around cards off of the top of your library