When it comes to creatures, spells, and land, Wizards has years of experience and data to figure out what the right baseline power level is, and as we just talked about, they tend to aim far enough to the "safe" side that even if they miss, the result is a very good card (like Collected Company), rather than a ban-worthy monster
It offers format staples, powerful mechanics, and collectible treatments in one package, making it the best way to stay ahead in Modern
Overwhelming Stampede is the king of these one-time noncreature spells
Gandalf the Grey Works Well With Izzet Instants & Sorceries Gandalf the Grey was the first legendary creature card revealed for Gandalf
Having those discussions was a great bonding activity
With the printings of more efficient cards like Ragavan, Nimble Pilferer, Dragons Rage Channeler and Murktide Regent, the blue human wizard lost quite a lof of power and relevance in the format