Cast Rite of Replication with kicker by paying ({7} magic symbol) ({U} magic symbol) ({U} magic symbol) , targeting Precursor Golem.
Precursor Golem's second ability triggers, creating a kicked copy of Rite of Replication targeting every other Golem.
Resolve the first Rite of Replication, creating five token copies of the Golem it is targeting.
If the Golem was Percursor Golem, the Percursor Golem tokens enter the battlefield, triggering their first abilities, creating a total of ten 3/3 Golem artifact creature tokens.
Repeat from step 3 for each other Rite of Replication.
Cast Cerulean Wisps by paying ({U} magic symbol) , targeting any Golem.
The six Percursor Golems' second abilities each trigger, creating six copies of Cerulean Wisps targeting every other Golem.
Resolve the first Cerulean Wisps, causing you to draw a card.
Repeat step 8 until you draw from an empty library, causing you to win the game.