Its clearly just a strong example of a damage doubler, but being a human has allowed it to see play in a very powerful competitive deck: Winota, Joiner of Forces
For (6)(R), you get a 7/5 body that allows you to cast any instant or sorcery from any graveyard for free when it enters
Sephara, the Sky Blade is a good representation of a type of deck players will see in Constructed formats, but this deck also includes some good value
What exactly that entails is a mystery to us muggles, but keeping track of your cards is a vital part of the process, one that this DIY card scanner (original German
Theyre perfect for kitchen table Magic, but anywhere outside of your own playgroup is either a straight up no or a probably not. Its always best to check and make sure first in any case, but anything competitive or even vaguely non-casual is a heavy almost definitely not. Proxies arent legal in MTG in sanctioned Magic events, and depending on how theyre made, they sometimes skirt the line of legal in general