If youre looking at other brands, just follow the sizes mentioned above (standard: 66x91mm or perfect fit: 64x89mm) and you should be good
Some games your hand is not going to be perfect, your opponent is going to do a good job of disrupting you, or, most commonly, you are going to be held in check by a powerful sideboard card like Rest in Peace or Grafdiggers Cage
It wasnt as impactful in Standard, but it also saw a decent amount of play
(Whenever it attacks the player with the most life or tied for most life, put a +1/+1 counter on it.) Illustrated by Karl Kopinski Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
Theres also a good smattering of value thanks to new, as well as reprinted, MTG cards
All were released in both standard and foil editions, with Japanese-language variants adding an extra layer of rarity for collectors