Tameshi, Reality Architect + Mind Over Matter + Ancient Den + Seat of the Synod

Prerequisites

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Steps

1. 1Activate Ancient Den by tapping it, adding .
2. 2Activate Mind over Matter by discarding Seat of the Synod, untapping Ancient Den.
3. 3Activate Ancient Den by tapping it, adding .
4. 4Activate Tameshi by paying and returning Ancient Den from the battlefield to your hand, returning Seat of the Synod from your graveyard to the battlefield.
5. 5Activate Mind over Matter by discarding Ancient Den, untapping any applicable permanent.
6. 6Activate Tameshi by paying and returning Seat of the Synod from the battlefield to your hand, returning Ancient Den from your graveyard to the battlefield.
7. 7Repeat.

Effects

• Infinite landfall triggers
• Infinite mana permanents you control can produce
• Infinite self-discard triggers