For example, if the chosen exiled card is a land card, you may play it only during your main phase while the stack is empty
Urza, Chief Artificer Most of the time, youll be casting Urza, Chief Artificer just for 3 mana, thanks to its affinity ability, and while giving menace to other artifact creatures is nice, Id have loved for its final ability to be triggered on ETB rather than at your end step so you can blink it and endlessly create an army
WotC considers the mechanic a failure, as evidenced by this quote from head designer Mark Rosewater: The idea of the mechanic was great
The artwork is by Keiji Kinebuchi
Cards come from random series & generations ranging from the base set to the newest release, making each one a surprise