This phenomenon is a small part of a larger trend driven by a mismatch between an item's original cost and its value on the second-hand market
Creature - Wolf Color tag templates(None) Fang of the Pack Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.) At the beginning of combat on your turn, another target creature you control gains melee until end of turn
Although there's no mention of when this achievement will make it into the record books officially, Pokmon does have at least one other Guinness World Record to its name
Right now Im playing a playset even in Hammer Time, but I recollect playing this card in a lot of different archetypes, from UB control to Ad Nauseam, from Goblins to even Sultai Urza
Similarly, if a cost includes causing you to gain life (like the alternative cost of an opponent's Invigorate does), that cost can't be paid
Buying a repro also brings more fake games into the market, and its hard to justify people profiting from counterfeit goods
