Build arounds as potentially powerful but undeniably narrow as Urza are hard to, well, build around
For the low cost of three mana, Shu Yun is a 3/2 with prowess, meaning its power and toughness increase until the end of the turn whenever its controller plays a noncreature spell
So if you want to open playtest cards, you'll need the convention version of Mystery Boosters
2023 Sets : Phyrexia: All Will Be One , March of the Machine , March of the Machine: The Aftermath , The Lord of the Rings: Tales of Middle-earth , Commander Masters Commander decks, Wilds of Eldraine , Magic: The Gathering Doctor Who , The Lost Caverns of Ixalan , and the Jurassic World Collection My Pick : Roaming Throne ( The Lost Caverns of Ixalan ) March of the Machine showcased most of the planes that Magic has visited, so it had a lot of typal cards but more one-off designs
For instance, you can imprint Dramatic Reversal, and youll be able to generate infinite mana if you have enough nonland cards to produce 3 mana