The decks most likely able to utilize this blue card are decks with a lot of blue creatures, and that tends to be merfolk, spirits, rogues, faeries and thats kind of it
While their proxy boosters are very novel (as far as I know they and PrintingProxies are the only ones that do this), I would say they are best known for their ability to print and ship out any large list of cards you want, on demand
The individual cells slide together using special dovetail joints to form a sturdy tray
I'd say that Kozilek is even TOO GOOD for most playgroups, as either he gets destroyed by artifact hate or he just takes over games
Just be careful: Exocrine hits all players, including yourself
For example, if you tap a creature with a mana ability to pay part of the spell's web-slinging cost, you could also return that creature to your hand to pay the cost