There are plenty of fun extra sets in Magic: The Gathering with the Mystery Boosters some of the absolute best to open, draft, and play with
Doubling the mana produced by your islands enables some incredible turns, especially with effects like Turnabout and Time Spiral
It's a fun and different take on artifacts than good ol' Brago will be next
Hypnotize and Improvize are two actions that replace themselves, while Strike a Good Match, Tinker Bell, Pongo, and Lucky all give you card draw while also allowing you to filter your deck and select the optimum card for each situation
Into the Norths a nice one if youre playing with snow lands, and Studious First-Year spots you a literal Rampant Growth on a body
If Gau is no longer on the battlefield when its last ability resolves, use its power as it last existed on the battlefield to determine how much damage the ability deals