It can be a licensed retailer or a well-established online store
Its most often seen on legendary status cards
The fact that it fills up your graveyard and gives you a second crack at the effect is probably just enough to justify its expensive costs in a casual setting
Land Standard Pioneer Alchemy Historic Timeless Competitive Brawl Historic Brawl Constructed Standard Stats 40.3% 0.0% 14.3% 72 Limited The Lost Caverns of Ixalan Stats 53.1% 11.5% 53.3% 66,000
A player can simply play a Deck designed to only Summon giant Beatstick Monsters that dont do much else, while leaving their opponent stuck with smaller Monsters which have good effects, and suddenly the path to an easy win is there.
Numerous mons have their retreat cost at 3 or more, and for them, this works as something like a Steel Apron, lessening the damage of attacks by 20