There are aggressive and control decks using black, blue, and white, but the only top build using either red or green right now is a ramp deck
Its the perfect addition to some decks such as Slimefoot and Squee in Brawl and Duel Commander
Iago Giant Spectral Parrot is a great card (the latest Amethyst/Steel Single-Player Deck has a foil one), and were likely to see more Vanish characters in Reign of Jafar
These pairings are very important, otherwise every deck will drift to the best artifacts and it won't matter what manabase you are using
As a Timmy Magic player, many of these Summons feel as if they were printed explicitly for me
Its best when used in a deck with lots of sorcery and damage-dealing cards, as it forces players to pay an increased upkeep cost of one colorless mana per creature (in addition to existing upkeep costs)