Offering card draw and mana when partnered with reduction effects like Ruby Medallion, Manamorphose ups your Storm count without utilizing any resources
Additionally, the deck makes good use of efficient threats like Ragavan, Nimble Pilferer and cheap interaction like Galvanic Discharge
Well, in 2021, I'd argue that Modern is a Turn-3 format, in part because Turn 3 is when all of the cascade spells come online (although it's also the turn when Tron combos online or when you could be dying to a Colossus Hammer, infect threat, or board full of dredgers)
Now this misses far too many things
Secondly, it gives a power boost, so you can kill out of nowhere faster or with a 9-power dork that doesn't have infect at all
Limited Review of Dragons of Tarkir Jake Stiles has been busy reviewing all the spoilers as they come out from a limited perspective