Artifacts might be the best card type to get cost reduction given their history of being utterly broken
The 24 ft telescoping pole lifts the rugged outdoor directional antenna above trees, hills, and other obstructions, making it easy to lock onto the nearest cell towers for maximum performance
Lastly, Black-White is a reanimator deck
The fact that Palkia and Dialga occupy consecutive spots in the Galarian Gallery numbering (GG67 and GG68) has also made them popular paired purchases for collectors who want the matched set of Sinnoh's creation duo
There's no single card that completely dominates (other than the Pikachu HR), which means several cards are trading in a healthy mid-range that makes collecting the full SIR set actually achievable
however, both are designed to be compatible with each other and can be merged to be played as a single functional Deck