volcarona pokemon card value GX - 213/236 Full Art Ultra Rare This is of the Uncommon rarity. Pokemon Steam Siege Volcarona #15

When you do, cast it for its madness cost or put it into your graveyard.) The card exiled by Stromkirk Occultists second ability is exiled face up

About finding rare cards, there may be some trick out there that hasn't been found yet or may be added in the future

Honorable Mention: Khenra Charioteer This is really more of a "This is my Favorite Gruul Card Printed This Year" award rather than really a Top Ten, but take another look at how awesome this thing is

It's important to note, however, that these cards have already been released in prior booster packs, there's a slim chance you might have already completed this mission