Great Oak Guardian, Oviya, Automech Artisan, and Temur Sabertooth

Prerequisites

• Great Oak Guardian on the battlefield
• Oviya, Automech Artisan on the battlefield
• Temur Sabertooth on the battlefield

Steps

1. Activate any number of creatures by tapping them, adding at least
2. Activate Oviya by paying and tapping it, putting Great Oak Guardian from your hand onto the battlefield
3. When Great Oak Guardian enters, it triggers, untapping all creatures you control and giving them +2/+2 until end of turn
4. Activate Temur Sabertooth by paying , returning Great Oak Guardian from the battlefield to your hand
5. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control
• Infinitely large creatures you control until end of turn