Gold Stars were a separate EX-era mechanic from 2004 to 2007, marked by a gold star next to the Pokemon's name and shiny alternate-color art, illustrated by Masakazu Fukuda and pulled at roughly one per two booster boxes, around one in 72 packs
but it's actually quite good at a great many tasks
So, if you're in a five-player game and you attack one opponent with three creatures and another opponent with one creature with melee, the last creature will get +2/+2 until end of turn
Discrepancies: Fakes often use the wrong symbol for a specific year or set, which can be verified using official databases
Even after a few trips to Wikipedia, I still cant figure out the plotline, other than there are groups of people at odds and card games, particularly Duel Monsters, are the weapon of choice
Mutate and Copies Mutate is already one of the more complicated mechanics in Magic, and Volo, Guide to Monsters and Ivy, Gleeful Spellthief are expert spell-copiers