Its a grass-type card with the ability Protective Mycelium, which prevents all effects from your opponents attacks to any of your Pokemon with energy attached to them
It has appeared in numerous Pokmon titles beyond its debut, including remakes like Omega Ruby and Alpha Sapphire, as well as spin-off games such as Pokmon Mystery Dungeon and Pokmon Ranger
Lotus Vale I started off with Lotus Vale much further down, but then I remembered all the ways you can exploit lands that tap for multiple mana
Misthollow Griffin and Eternal Scourge also deserve callouts for their utility in this niche
though, Wall of Shards forces you to let your opponents gain life: one on your first upkeep, two on your second, and so on
Special event Pokemon cards, also known as promotional cards, are particularly sought after due to their historical significance