Luxurious Locomotive + Ruthless Technomancer + Combat Celebrant + Viscera Seer + Haste Enabler

Prerequisites

• You control at least seven creatures, excluding Combat Celebrant, that have total power 1 or greater.
• An opponent cannot block and kill Combat Celebrant or Luxurious Locomotive.
• There are at least four card types among cards in your graveyard.
• Haste Enabler

Steps

1. 1Activate Luxurious Locomotive's crew ability by tapping seven creatures you control with total power 1 or greater, causing Luxurious Locomotive to become an artifact creature until end of turn.
2. 2Declare Luxurious Locomotive and Combat Celebrant as attackers, choosing to exert Combat Celebrant as it attacks, triggering their abilities.
3. 3Resolve the Luxurious Locomotive trigger, creating at least seven Treasure tokens.
4. 4Resolve the Combat Celebrant trigger, untapping all other creatures you control and causing you to get an additional combat phase after this one.
5. 5Holding priority, activate Viscera Seer by sacrificing Combat Celebrant.
6. 6Activate three Treasures by tapping and sacrificing them, adding .
7. 7Activate Ruthless Technomancer by paying and sacrificing four Treasures, returning Combat Celebrant from your graveyard to the battlefield.
8. 8Repeat from step 2 each combat phase.

Effects

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite artifact tokens
• Infinite colored mana
• Infinite combat phases
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite mana creatures you control can produce
• Infinite scry 1
• Infinite Treasure tokens
• Infinite untap of creatures you control
• Return all creature cards from your graveyard to the battlefield