Tetsuo, Imperial Champion, Savage Beating, Call to Mind, Relearn, and Invasion of Arcavios // Invocation of the Founders

Prerequisites

• Tetsuo, Imperial Champion on the battlefield
• Savage Beating in hand
• Call to Mind in hand or in the graveyard
• Relearn in hand or in the graveyard
• Invasion of Arcavios // Invocation of the Founders on the battlefield
• Tetsuo has an Equipment attached to it with mana value 5 or greater
• Tetsuo does not have summoning sickness and cannot be blocked and killed by an opponent
• One of Call to Mind or Relearn must be in your hand, with the other in your graveyard

Steps

1. Declare Tetsuo as an attacker
2. Tetsuo triggers, causing you to cast Savage Beating without paying its mana cost, choosing its second mode
3. Invocation of the Founders triggers, copying Savage Beating
4. Resolve both Savage Beatings, causing you to get two additional combat phases after this one
5. Move to your first combat phase
6. Declare Tetsuo as an attacker
7. Tetsuo triggers, causing you to cast Call to Mind without paying its mana cost, targeting Relearn
8. Invocation of the Founders triggers, copying Call to Mind, targeting Savage Beating
9. Resolve both Call to Minds, causing you to return Relearn and Savage Beating from your graveyard to your hand
10. Move to your second combat phase
11. Repeat steps 1 through 4 one additional time
12. Declare Tetsuo as an attacker
13. Tetsuo triggers, causing you to cast Relearn without paying its mana cost, targeting Call to Mind
14. Invocation of the Founders triggers, copying Relearn, targeting Savage Beating
15. Resolve both Relearns, causing you to return Call to Mind and Savage Beating from your graveyard to your hand
16. Move to your second combat phase, and repeat from step 1

Results

• Infinite storm count
• Infinite combat phases
• Infinite untap of creatures you control
• Infinite mana creatures you control can produce
• Infinite magecraft triggers