Woodcaller Automaton, Temur Sabertooth, and Matzalantli, the Great Door // The Core

Prerequisites

• Woodcaller Automaton in hand
• Temur Sabertooth on the battlefield
• Matzalantli, the Great Door // The Core on the battlefield

Steps

1. Activate The Core by tapping it, adding at least six
2. Cast Woodcaller Automaton for its prototype cost by paying
3. When Woodcaller Automaton enters, it triggers, causing The Core to become a creature and untapping it
4. Activate Temur Sabertooth by paying , returning Woodcaller Automaton from the battlefield to your hand
5. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite blinking
• Infinite colored mana
• Infinite mana lands you control can produce
• Infinite storm count
• Infinite untap of lands you control