They do completely different jobs, so we split them on purpose: Both are free
Meow-Meow-Mu is a Link-1 monster, meaning all you need is a single Level 4 or lower Prank-Kids monster to summon it, which can then allow you to activate your Prank-Kids Main Deck monster's effect and continue to Link climb
Each pack comes with four cards, one of which is a guaranteed four-diamond rarity or higher, offering fans the opportunity to collect highly sought-after cards they may have missed with previous releases
Future sets used more rounded corners, whereas Alpha's had more squared ones
For example, if you control both Azusa and Exploration (an enchantment with "You may play an additional land on each of your turns"), you'll be able to play four lands during each of your turns.
Its original printing as the Yu-Gi-Oh