Pokmon TCG Mega Brave M1L is a Korean MEGA expansion featuring Mega Lucario on the booster box and pack artwork
Its true issue is in competitive Commander, in any table in which there are prizes involved, because you can reach an agreement with someone on board and with that, you choose this person when you use Trade Secrets, drawing exactly how many cards you need to find some other card you want, and at the end of the game you share the prize with this other person
Lots of cheap equipment grant deathtouch to one of your creatures like Hunter's Blowgun, Vorpal Sword, or Basilisk Collar
Transforming it into Ayara, Furnace Queen turns your commander from a sacrifice outlet to a sacrifice fodder engine that can end the game
In the 99 she's a solid include, and if you want to go deep on haste-enablers its not a bad payoff
Im not going to pass up Counterparting it