SP or other Basic-centered decks should generally run at least 2 in order to avoid being massacred by Machamp's Take Out, as should decks with more than one Pokemon with a critical Poke-Power that need to be shielded from Gengar's Shadow Room
This is where the hardest ask of the keyword design process was, where I wanted it so every pair has a card in the shared colours that rewards both pair parts for their mechanic but isnt obviously great for everyone else
The Lord of the Rings: Tales of Middle-earth The Lord of the Rings: Tales of Middle-earth was our first big Universes Beyond set
Darkness: Darkness was added to the Pokmon card game in 2000s Neo Genesis set, reflecting the introduction of Dark-type Pokmon in the Pokmon Gold and Silver video games
Generally, when I get my big creatures into play, I want to keep them there
For example, when Haldan, Avid Arcanist enters the battlefield, a player can search their library for Pako, Arcane Retriever, put it into their hand, and then shuffle