Ojer Taq, Deepest Foundation // Temple of Civilization, Turntimber Sower, Earthcraft, and Prognostic Sphinx

Prerequisites

• Ojer Taq, Deepest Foundation // Temple of Civilization on the battlefield
• Turntimber Sower on the battlefield
• Earthcraft on the battlefield
• Prognostic Sphinx on the battlefield
• You have at least one land card in hand
• You control at least one basic Forest

Steps

1. Activate a basic Forest by tapping it, adding
2. Activate Prognostic Sphinx by discarding a land card
3. Turntimber Sower triggers, creating three 0/1 Plant creature tokens
4. Resolve the Prognostic Sphinx ability
5. Activate Earthcraft by tapping a Plant, untapping a basic Forest
6. Activate Turntimber Sower by paying and sacrificing the three Plants, returning a land card from your graveyard to your hand
7. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mana basic lands you control can produce
• Infinite sacrifice triggers
• Infinite self-discard triggers
• Infinite untap of basic lands you control