This card looks like it could be a random common card, but a closer look at the bottom right corner of the artwork will reveal the 'San Diego Comic Con' logo, indicating its status as an exclusively distributed promo card
This includes ten basic lands, select cards from the original Modern Horizons, and retro frame and new-to-Modern cards from Modern Horizons 2 (including enemy fetch lands)
To read a full in-depth breakdown of Gym Leader Challenge and get some ideas as to what a Gym Leader Challenge deck looks like, check out the Side Event Breakdown: Gym Leader Challenge article on Pokemon.com
These cards will all rotate out of Alchemy with the set they are based on, though after rotation, they will continue to be playable in Historic." Three of Alchemy: Innistrad's digital-only cards have so far been shown off: Ishkanah, Broodmother
Some type of threshold trigger (not graveyard)
Heres what to look for: Finding authentic Pokmon cards can be tricky, especially with the rise of counterfeits online
