Its not that Umezawas Jitte just wins the game on its own, rather, its because it provides its player with constant boons
Artifact Ramp (CTRL to add secondary) Recursion Emry, Lurker of the Loch Affinity for artifacts (This spell costs less to cast for each artifact you control.) When Emry enters, mill four cards
The shell or pattern of an archetype remains recognizable despite individual cards changing
Etali, Primal Sickness Color Indicator: Red and Green Legendary Creature Phyrexian Elder Dinosaur Trample, indestructible Whenever Etali deals combat damage to a player, they get that many poison counters
While providing your opponents with mana sources comparable to treasures may seem counter-intuitive, whenever an artifact an opponent controls is put into a graveyard (such as when they sacrifice a Banana), each Ape and Monkey you control gains a +1/+1 counter, meaning your opponents' treasures can cause your creatures to grow to massive sizes
It gives you a cheap, small damage sweeper in the early game, or you can foretell it to be a more impactful sweeper later on