Curiously, these cards are fixed regardless of which kit you buy, so theyre not playable in every deck
It is also a well-positioned type in the meta right now as there are multiple popular Dark-type decks
Lore Broker Besides Geier Reach Sanitarium, Lore Broker is the only card that does this effect
Its usually enough to bury one players board while bumping up your counters, spreading poison, etc
It makes it easier to define things if done like this but I would contest that it is more relevant to think of a tempo neatural turn as being equivalent to the average cube play for that turn
A PSA 9 Crystal Nidoking sells for $3,000 on average, while the Gem MT 10 version is valued at a whopping $17,000