yugioh card size vs mtg Size: What Are The MTG Card Dimensions? YuGiOh card size explained -

A miscut does not automatically affect the cards condition (NM, SP, etc.), as the grading scale refers to the physical state and preservation of the card (such as scratches, bends, or wear), and this type of misalignment does not necessarily cause structural damage

A Triggered Ability

too much of the familiar and customers leave because theyve seen it all before

They are typically value based where as this is tempo based

Folks, this is a one-sided AlurenAluren, one of the most broken cards ever printed

My best guess was that seven is one of the more common numbers for card games where you draw cards and perhaps it won out because it was what Richard Garfield thought people would assume to draw