Between the variety of fetch lands and the sheer number of multi-typed dual lands, theres probably a complicated mathematical equation that can estimate the number of combinations a single fetch land can search up for a deck
This is what I'll call the Ornithopter approach, where we take an object known in the real world as a vehicle (fictional or otherwise) but imply that, through magic, it is no longer an inanimate object
Next, lets say the player reveals a Fatal Push
You need mana and a means to convert the many spells you cast into a win condition, and Vivi does both
Not only are they needed to cast your spells, but they give you more options throughout the course of the game
Weve gone through the many, many, many Green Commander cards to find a list of ten that we think should be in nearly every Green deck around