Where prices really spike is when cards appeal to both groups, with a card like Sheoldred, The Apocalypse a prime example being a major player in multiple competitive formats, and a favourite in Commander
Before Perfect Order, the only way to get the Poke Pad was through Ascended Hero products, which most people are having a hard time finding on shelves
Some local game stores may also have extra bonus cards or sealed drops in stock
trigger a "Gotcha" under Name Dropping
Bristly Bill, Spine Sower Speaking of cards that manipulate +1/+1 counters for Goldvein Hydra, Bristly Bill is a card that provides constant benefits as soon as hes played, with the ability to pop off late in the game
Massive Raid costs one more mana to cast, but upgrades to instant speed and the ability to target creatures in addition to players