Woodcaller Automaton, Temur Sabertooth, Ashaya, Soul of the Wild, and Karametra's Acolyte

Prerequisites

• Woodcaller Automaton in hand
• Temur Sabertooth on the battlefield
• Ashaya, Soul of the Wild on the battlefield
• Karametra's Acolyte on the battlefield

Steps

1. Activate Karametra's Acolyte by tapping it, adding at least
2. Cast Woodcaller Automaton for its prototype cost by paying
3. When Woodcaller Automaton enters, it triggers, untapping Karametra's Acolyte Activate Karametra's Acolyte by tapping it, adding at least seven
4. Activate Temur Sabertooth by paying , returning Woodcaller Automaton from the battlefield to your hand
5. Repeat from step 2

Results

• Infinite ETB
• Infinite LTB
• Infinite blinking of some creatures
• Infinite mana lands you control can produce
• Infinite mana nontoken creatures you control can produce
• Infinite storm count
• Infinite untap of lands you control
• Infinite untap of nontoken creatures you control
• Infinite green mana