It is rather bizarre that it's not a creature as the card's sole focus and name is on Shahrazad (or Sheherazade), a character from the 1001 Arabian Nights story, but that's not even the least of why this card is so iconic
The less you have to pay for these types of effects, the better that way, you can start to repopulate the board immediately on the same turn, putting you in position to be the first one that untaps with creatures, and the first to attack again
Its Celebration ability is easily used with Rat tokens, enchantment Roles, and white cards like Hopeful Vigil
Pinkie would play group hug in commander of course, but also fire off a confetti cannon whenever you make a big play
All somewhat rough choices however the only totally incorrect one is the one without the life gain
Theyre some of the most popular mana rocks, and for good reason: theyre efficient, they give you two colors, and they dont cost you any life to use