Luxurious Locomotive, Ruthless Technomancer, Fear of Missing Out, and Umbral Collar Zealot

Prerequisites

• Luxurious Locomotive on the battlefield
• Ruthless Technomancer on the battlefield
• Fear of Missing Out on the battlefield
• Umbral Collar Zealot on the battlefield

Steps

1. Activate Luxurious Locomotive's crew ability by tapping five creatures you control with total power 1 or greater, causing Luxurious Locomotive to become an artifact creature until end of turn
2. Declare Luxurious Locomotive and Fear of Missing Out as attackers, triggering their abilities
3. Resolve the Luxurious Locomotive trigger, creating at least five Treasure tokens
4. Resolve the Fear of Missing Out trigger, untapping Luxurious Locomotive and causing you to get an additional combat phase after this one
5. Holding priority, activate Umbral Collar Zealot by sacrificing Fear of Missing Out
6. Activate three Treasures by tapping and sacrificing them, adding
7. Activate Ruthless Technomancer by paying and sacrificing two Treasures, returning Fear of Missing Out from your graveyard to the battlefield
8. When Fear of Missing Out enters the battlefield, it triggers, causing you to rummage
9. Repeat from step 2 each combat phase

Results

• Infinite self-discard triggers
• Near-infinite ETB
• Infinite draw triggers
• Near-infinite LTB
• Infinite rummaging
• Near-infinite death triggers
• Near-infinite sacrifice triggers
• Near-infinite colored mana
• Near-infinite Treasure tokens
• Near-infinite combat phases
• Near-infinite surveil 1