Creatures you control get +1/+1 for each unity counter on Call for Unity
This is one of those cards that just shot up in value since initial release, as demand for it has soared
As anyone whos gotten into MTG can tell you, your collection of cards can quickly balloon out of control
In that way, the output of the card was controlled by a servo motor, and an other motor powered the rubber wheel and double rollers
Supporters have been unveiled for this expansion set too, as well as brand new ACE SPECs Rich Energy and Megaton Blower
While it reads like a card for tribal decks, and you can play it in tribal decks, I think it will actually be at its best in token strategies, which tend to almost accidentally have a lot of creatures of the same type