For example, Card Kingdoms good price for Beta Counterspell is $400 whereas the cheapest on TCGplayer is a damaged copy listed for $500, a full 25% higher
Now, ignoring that this is another case of a commander being turned into suicide fodder, there was a card in the exact same set (Newdoria) with the same effect, the same typing, lower stats to make it more easily-killed, and it didn't need a coin toss
Your most likely experience is a Master Chef that draws one player a card and gives you two counters instead of one
Swords to Plowshares exiles any creature at instant speed, and the tradeoff is simply giving the opponent life equal to that creatures power
If Garbotoxin is Active, Aromatisse cannot move them and it becomes an uphill battle to get enough Energy required to attack while under fire from Crushing Hammer
Collectibles are a big business and some cards are really expensive nowadays