Kykar, Wind's Fury, Vadrok, Apex of Thunder, Snap, and Cackling Counterpart

Prerequisites

• Kykar, Wind's Fury on the battlefield
• Vadrok, Apex of Thunder in hand or in the command zone
• Snap in hand
• Cackling Counterpart in the graveyard
• plus enough mana to pay for commander tax, if applicable available

Steps

1. Activate two lands you control by tapping them, adding at least
2. Cast Vadrok either from your hand or from the command zone for its mutate cost by paying and commander tax, if applicable, putting it under any other nonlegendary non-Human creature you control
3. Vadrok triggers, casting Cackling Counterpart from your graveyard without paying its mana cost
4. Kykar triggers, creating a 1/1 Spirit creature token
5. Resolve Cackling Counterpart, creating a copy of the Vadrok mutated creature
6. Activate Kykar by sacrificing a Spirit, adding
7. Cast Snap by paying
8. Kykar triggers, creating a 1/1 Spirit creature token
9. Resolve Snap, returning the mutated creature that contains the nontoken Vadrok from the battlefield to your hand and untapping two lands that can tap to produce at least
10. Activate Kykar by sacrificing a Spirit, adding
11. Activate two lands you control by tapping them, adding at least
12. Cast Vadrok for its mutate cost by paying , putting it under the token Vadrok mutated creature
13. The nontoken and token Vadrok each trigger
14. Resolve the nontoken Vadrok trigger, casting Cackling Counterpart from your graveyard without paying its mana cost
15. Kykar triggers, creating a 1/1 Spirit creature token
16. Resolve Cackling Counterpart, creating a copy of the Vadrok mutated creature
17. Resolve the token Vadrok trigger from step 13, casting Snap from your graveyard without paying its mana cost
18. Kykar triggers, creating a 1/1 Spirit creature token
19. Resolve Snap, returning the mutated creature that contains the nontoken Vadrok from the battlefield to your hand and untapping two lands that can tap to produce at least
20. Activate Kykar twice by sacrificing two Spirits, adding
21. Repeat from step 12
22. With each iteration, you will gain an additional Vadrok trigger, which you can use to cast any other noncreature spells with mana value 3 or less in your graveyard, and create infinite Spirit tokens due to Kykar

Results

• Cast a subset of spells in your graveyard
• Infinite creature tokens
• Infinite death triggers
• Infinite creature ETB
• Infinite creature LTB
• Infinite magecraft triggers
• Infinite red mana
• Infinite creature sacrifice triggers
• Infinite storm count
• Infinite mana lands you control can produce
• Infinite untap of lands you control