If youre able to keep dumping your hand turn after turn, youll have a steady supply of cards ready for your next turn
For a while, Time Walk was sort of a glorified Explore, that also untapped your lands, like a Cloud of Faeries
Before there was a formal tournament structure or if you were just playing kitchen-table casual Magic you would put as many Plague Rats as you owned in a deck and have at it
Instead, the partner with pairs allows WotC to dig into a design space thats too specific to be broadly applied, and it lets them test out very specific play patterns
Archon of Cruelty seems like one option, and potentially you could be using this with Sneak Attack, dropping out huge creatures then sacrificing them to this to get more creatures
Infinite Guideline Station Infinite Guideline Station is a tough one to pull off because outside of hybrid mana cards, multicolored permanents tend to be more expensive and legendary