Precursor Golem, Rite of Replication, Laboratory Maniac, and Aggressive Urge

Prerequisites

• Precursor Golem on the battlefield
• Rite of Replication in hand
• Laboratory Maniac on the battlefield
• Aggressive Urge in hand
• There are at least two other Golems on the battlefield
• available

Steps

1. Cast Rite of Replication with kicker by paying , targeting Precursor Golem
2. Precursor Golem's second ability triggers, creating a kicked copy of Rite of Replication targeting every other Golem
3. Resolve the first Rite of Replication, creating five token copies of the Golem it is targeting
4. 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
5. Repeat from step 3 for each other Rite of Replication
6. Cast Aggressive Urge by paying , targeting any Golem
7. The six Percursor Golems' second abilities each trigger, creating six copies of Aggressive Urge targeting every other Golem
8. Resolve the first Aggressive Urge, giving target creature +1/+1 and causing you to draw a card
9. Repeat step 8 until you draw from an empty library, causing you to win the game

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite magecraft triggers
• Win the game