So basically i’m making an urza combo deck for CEdh, it’s my first combo or even cedh deck ever. My goal is to get infinite mana early as possible to play urza and essentially use his ability to play my entire deck and ultimately win with lab maniac or the new Jace. Here are all my ways to go infinite. Should i cut any?
Banishing knack + battered golem
Pili pala + grand architect
Basalt monolith + rings of blight
Isochron sceptre + dramatic reversal
Deadeye navigator + palinchron
Deadeye navigator + peregrine drake
Deadeye nav + Urza lord high + Genesis Chamber
Deadeye nav+ cloud of fairies + Ancient tomb
Some of the creature based combos like Palinchron + Deadeye Navigator are more difficult to reliably get in hand and play IMO, I would focus on the small cost artifact-based infinite combos first and only slot in some of these if they fit. Palinchron + Phantasmal Image is my favourite amongst them. You will need a lot of slots open for disruption, interaction and protection cards. Your main vulnerabilities will be locking Urza off the board, or removal of combo pieces from your deck. There should be enough redundancy in combo pieces to prevent the latter, but Pithing Needle or similar disruption would lock down Urza.
You could also look at something like Vedalken Archmage + Cheerios to draw through your deck for combo pieces, as an alternative to relying solely on tutors. I have a Jhoira, Weatherlight Captain cEDH deck that essentially does this, it's almost like artifact storm.
Banishing knack + battered golem
Pili pala + grand architect
Basalt monolith + rings of blight
Isochron sceptre + dramatic reversal
Deadeye navigator + palinchron
Deadeye navigator + peregrine drake
Deadeye nav + Urza lord high + Genesis Chamber
Deadeye nav+ cloud of fairies + Ancient tomb
The underlying package essentially just needs infinite mana as you've pointed out. Trophy Mage for your Basalt Monolith, Arcum Dagsson for your Rings of Brighthearth. Arcum Dagsson needs a few artifact creatures, maybe something like Sai, Master Thopterist or similar may be suitable. There are a bunch of cards that synergise very well with Arcum Dagsson. Tribute Mage also gets you your Isochron Scepter, Mystical Tutor for Dramatic Reversal. All of these tutors are essentially second copies of the core combo cards you need.
Some of the creature based combos like Palinchron + Deadeye Navigator are more difficult to reliably get in hand and play IMO, I would focus on the small cost artifact-based infinite combos first and only slot in some of these if they fit. Palinchron + Phantasmal Image is my favourite amongst them. You will need a lot of slots open for disruption, interaction and protection cards. Your main vulnerabilities will be locking Urza off the board, or removal of combo pieces from your deck. There should be enough redundancy in combo pieces to prevent the latter, but Pithing Needle or similar disruption would lock down Urza.
You could also look at something like Vedalken Archmage + Cheerios to draw through your deck for combo pieces, as an alternative to relying solely on tutors. I have a Jhoira, Weatherlight Captain cEDH deck that essentially does this, it's almost like artifact storm.
Metalworker + Voltaic Construct
Metalworker + Staff of Domination
Metalworker + Rings of Brighthearth + Voltaic Key