Kavaero is frustrating enough, but this is a big evolution on that card because it doesn't exile the copy if taken from the graveyard, and it can change the copied card each turn
Provided they don't have an Open the VaultsOpen the Vaults in hand, they handily lose the game
As a one-cost, it's easy to work this character in with other plays, so sometimes it's better to play Pluto alongside a two-cost character on turn three just so you can play a five-cost Nani, Protective Sister on turn four
While I like Hypnotic Sprite s Adventure effect, its still a 3 mana counterspell, which is something I actively avoid in all decks
Id say therere 2 main routes you can go with monogreen: Big Guys and Small guys
Rattlesnakes The last effect I want to go over is what are referred to as rattlesnake effects