Its wild to see both of these commanders show up together in the same precon and create new possibilities for cEDH
Both are quite situational and are likely to be useful against the opposite sort of decks
Urza, Lord High Artificer A handful of mana denial or board reset cards like Armageddon and Jokulhaups make up the next few slots before Jin-Gitaxias, Core Augur and Urza, Lord High Artificer, which are #12 and #13 respectively
Mizzix of the Izmagnus asks for a laddering of instant and sorcery mana values, slowly building up a cost reduction to help you sling spells
P/T Set Number 57 Language Italiano Legal Formats Commander, Legacy, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Modern, Pauper, Pioneer, Standard, Timeless Rulings (6/6/2025) If you choose to pay the blitz cost rather than the mana cost, you're still casting the spell
Whether we were attacking him, destroying his cards, or casting burn spells at his face, he'd always pause for a few seconds to think carefully, and then respond with an array of preventative activations and spells to stay alive