If a Planeswalker takes damage from a creature, it loses that many Loyalty counters
If you choose the first mode and the creature gains a counter in response, you can't remove counters from it instead
Its also pretty good at Blink
In it, we received a bunch of Magic: The Gathering cards two copies of Teferi, Hero of Dominaria, two foil copies of History of Benalia, a Gaea's Cradle, a few original Revised dual lands, and a Mox Diamond from the From the Vaults: Relics release
It's a fan-favorite pseudo-legendary with a long competitive history, so the gold version pulls demand from both set collectors and people who just want a nice Garchomp
If this seems like a disproportionate reaction to a franchise with a bright yellow mouse as its mascot, put yourself into the position of the distributors of Yu-Gi-Oh a franchise that not only contained but appeared to endorse overt occult imagery and violence