Yes, you can cheat it out with Scrooge McDuck - Richest Duck in the World but that is yet even more setup required for this combo
You still cast these cards even if you do not pay the mana value on the card (if there is one), which means the cascade mechanic still fires off
The classic combo pieces - Underworld Dreams, Teferi's Puzzle Box, and Forced Fruition - all push the same agenda: make them draw, make them bleed
Being able to finish off the game with what is essentially direct poison damage after the Infect creatures are dealt by opposing removal and sweepers with is a new and potentially powerful line of attack for the archetype, and this doesnt even include the fringe combo potential
Or my Faldorn, Dread Wolf Herald deck
Tamiyos Safekeeping Essentially greens version of Blacksmiths Skill, this spell trades the boost for artifact creatures for the upside of gaining you two life