Precursor Golem + Rite of Replication + Laboratory Maniac + Shadow Rift

Prerequisites

• You control at least two other Golems.

Steps

1. 1Cast Rite of Replication with kicker by paying , targeting Precursor Golem.
2. 2Precursor Golem triggers, creating a kicked copy of Rite of Replication targeting every other Golem.
3. 3Resolve the first Rite of Replication, creating five token copies of the Golem it is targeting.
4. 4If the Golem was Percursor Golem, the Percursor Golem tokens enter the battlefield, creating a total of ten 3/3 Golem artifact creature tokens.
5. 5Repeat from step 3 for each other Rite of Replication.
6. 6Cast Shadow Rift by paying , targeting any Golem.
7. 7The six Percursor Golems each trigger.
8. 8Resolve the first Percursor Golem trigger, creating a copy of Shadow Rift targeting every other Golem.
9. 9Repeat step 8 for each remaining trigger.
10. 10Resolve the first Shadow Rift, causing you to draw a card.
11. 11Repeat step 10 until you draw from an empty library, causing you to win the game.

Effects

• Near-infinite card draw
• Near-infinite creature ETB
• Near-infinite creature tokens
• Near-infinite draw triggers
• Near-infinite magecraft triggers
• Win the game