It should be noted that within the Japanese booster packs, there were several rares to find with a Pok Ball pattern or a rare Master Ball pattern
First come first served
For instance, if you're building a "Blue-Eyes" deck, cards like "Blue-Eyes White Dragon," "Blue-Eyes Alternative White Dragon," and "Sage with Eyes of Blue" are virtually indispensable
Fun, engaging format drives impulse bids
An uninitiated grandparent might glaze over when asked to play or purchase cards from other games, but tell them Mickeys involved and they can easily get up to speed
The MTG Fandom page linked below has more detail about edge cases or things that would introduce randomness, but the the take-away is that the skill is in submitting a well-positioned trio of cards, not in actually playing the games