Because of this wide variety of effects, these cards mostly see play when they directly support a decks core strategy rather than because a deck is specifically in the market for 3mv mana dorks
If played with the additional energy requirement, it can prevent that Defending pokemon from retreating, ensuring their demise
One of these is called fuse, which, in concept, allows players to combine two spells into a single, potent effect, providing different effects for various board states
These formats are usually played in best-of-one matches anyways, so there wouldnt be much use for a sideboard
Cardmarket can add useful regional context, especially for European demand, yet it is not a direct substitute for U.S
Magic: The Gathering Murders at Karlov Manor Commander Deck Bundle - Includes All 4 Decks (Deadly Disguise, Revenant Recon, Deep Clue Sea, and Blame Game)