These cards will only be legal in the formats in which they are already legal, but Limited is a different story
In the world of card manufacturing, you will find out that standard is a relative term
This is an exception to rule 217.1c, which stipulates that a permanent "forgets" its previous existence when it changes zones
The highest recorded sale for this card was for a whopping $510, and its estimated that only 22 copies are graded at least a PSA 10
Often built as a group slug deck, wherein we gift punishing cards like Steel Golem and Aggressive Mining to our foes, Zedruu can be built at the helm of a deck full of beneficial or merely influential effects
Doing well in the event has the possibility of paying out upwards of $2,000 so getting as much practice as you can before the event starts is key if you have dreams of making it to the top