These arent the most powerful (as is typical for Commander decks that release alongside sets), but theyre a good starting point
The only precon available for preorder at the moment is Revival Trance which, if I'm honest, feels like a bit of a slight towards Terra
Most off-the-shelf punches available in general craft stores do not precisely match the 63x88mm dimensions or the specific corner radius of MTG cards
Then if it has exactly four +1/+1 counters on it, search your library for a card, put it into your hand, then shuffle
I really like the Witherbloom school cards from Strixhaven: School of Mages that play up this strategy, and you can find them in Scryfall by searching for wm:Witherbloom for watermark, Witherbloom
Its simply very hard to beat, and centralizes the metagame around ramping into this card