pokemon cards legendary birds Galarian Articuno Zapdos Moltres - Evolving Skies - Card Set Description coming soon... Pokemon Articuno #22 "Aoki Error"

I think it's "fringe"

"Spiritomb" ( Space-Time Smackdown )'s full art features Lucas drawn in the style of Brilliant Diamond & Shining Pearl

Aside from Black Knight, Order of the Ebon Hand (if you are playing with Fallen Empires), and Wall of Putrid Flesh (if your opponent mis-built his deck), Swords to Plowshares can deal with every creature in the format

While it did appear in a Secret Lair drop, Mystery Booster 2, and From the Vault: Lore before that, none of these are incredibly widespread

Both apply continuous advantages to the players who has them, both apply to one and only one player, and both have very narrow interaction with other cards, only ones that explicitly mention them