Most of the time, this means during your main phase when the stack is empty
All the backs used can be seen in the tabs of the different subsection by clicking: Click card to see backside
(Also, prior to Sixth Edition , core sets didn't have any expansion symbol at all.) Text Box Abilities The large box underneath the picture is the box that contains the important information about what the card actually does
As it is explained in this article posted on Daily MTG, the symbol with the T is the tap symbol from Revised through Fallen Empires and the one with the rectangle is the tap symbol from 4th Edition through Scourge
A Zimone deck may be improved with creatures that have special abilities that activate when they're turned face-up , like Greenbelt Radical or Printlifter Ooze, but there are relatively few of these, and they may be sent to the graveyard before they can even be activated
After the fairly bare-bones launch, its good to see the mechanics all blending together nicely with the theme