Tetsuo, Imperial Champion + Savage Beating + Mystic Retrieval + Invasion of Arcavios // Invocation of the Founders + Relearn

Tetsuo, Imperial Champion

Savage Beating

Mystic Retrieval

Invasion of Arcavios // Invocation of the Founders

Relearn

How it works

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