Inalla, Archmage Ritualist, Wanderwine Prophets, and Phyrexian Altar

Prerequisites

• Inalla, Archmage Ritualist on the battlefield or in the command zone
• Wanderwine Prophets in hand
• Phyrexian Altar on the battlefield
• available

Steps

1. Cast Wanderwine Prophets by paying
2. Wanderwine Prophets enters the battlefield, triggering its champion ability and Inalla
3. Resolve the Inalla trigger, causing you to pay to create a token copy of Wanderwine Prophets with haste
4. The token Wanderwine Prophets enters the battlefield, championing the nontoken Wanderwine Prophets
5. The nontoken Wanderwine Prophets leaves the battlefield, returning nothing from exile to the battlefield
6. Resolve the nontoken Wanderwine Prophets trigger from step 2, choosing not to exile anything
7. Activate Phyrexian Altar by sacrificing the Mistbind Clique token, adding at least one mana
8. The Wanderwine Prophets token leaves the battlefield, returning the nontoken Wanderwine Prophets from exile to the battlefield
9. Repeat from step 2 until satisfied
10. When the nontoken wanderwine Prophets enters the battlefield, it triggers Inalla and Wanderwine Prophets
11. Resolve Inalla's trigger, causing you to pay to create a token copy of Wanderwine Prophets
12. Token copy of Wanderwine Prophets enters the battlefield, championing original Wanderwine Prophets
13. Resolve the Wanderwine Prophets trigger, does nothing
14. Move to combat
15. Declare token copy of Wanderwine Prophets as attacker
16. Deal combat damage with Wanderwine Prophets
17. Token copy of Wanderwine Prophets triggers, causing you to sacrifice itself and take an extra turn after this one
18. Token copy of Wanderwine Prophets leaves the battlefield, returning Wanderwine Prophets to the battlefield from exile
19. Repeat step 2 to 5
20. Move to your next turn
21. Repeat from step 14

Results

• Infinite ETB
• Infinite LTB
• Infinite combat damage
• Infinite death triggers
• Infinite sacrifice triggers
• Infinite turns
• Lock