It was first introduced in Pokmon Sun and Moon and has been available in subsequent titles, including Pokmon Ultra Sun and Ultra Moon and Pokmon Sword and Shield through the DLC
When it connects, it ramps the player with Treasure Tokens while stealing of cards, which virtually and practically plays out as a complete card advantage engine
Additionally, Pikachu is a frequent encounter in other regions such as Johto, Hoenn, and beyond, often appearing in forests or power plants, aptly representing its Electric type
Six is a Rare, Legendary Creature - Treefolk card from the Magic The Gathering set Modern Horizons 3 (MTGSC-MH3-0169)
So two of you are now down one card each and the other two have developed a little card advantage
Unfortunately, Anzrags design does give opponents a choice to negate our untap & extra combat by sacrificing 8 life to leave him unblocked